Close up of Road After Surface Dressing, Van Road, Caerphilly

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Dates of Creation
Physical Description

Scope and Content

Original envelope annotated 'Mr Dutton, Caerphilly Tar Plant, Road Surface Dressing (Tar)'.

Custodial History

Original National Coal Board negative number: D1/442. Original Glamorgan Archives Box number: DNCB/48/1.

Archive Record|Table of contents

National Coal Board, RecordsDNCB

Estates DepartmentDNCB/1

Finance DepartmentDNCB/2

Industrial RelationsDNCB/3

Legal DepartmentDNCB/4

Public Relations DepartmentDNCB/5

Mining DepartmentDNCB/6

Scientific DepartmentDNCB/7

Individual CollieriesDNCB/8

Opencast ExecutiveDNCB/9

Statistics DepartmentDNCB/10

Secretary's DepartmentDNCB/11

Area DirectorDNCB/12

Staff DepartmentDNCB/13

Photographic CollectionDNCB/14

National Coal Board, Historical PhotographsDNCB/14/1

Colliery Reconstruction in the No.2 (Maesteg) AreaDNCB/14/2

National Coal Board/British Coal photographic archive - additional printsDNCB/14/3

National Coal Board Photographic Negative CollectionDNCB/14/4

Aberbaiden CollieryDNCB/14/4/1

Abercrave CollieryDNCB/14/4/2

Abergorki CollieryDNCB/14/4/4

Aberpergwm CollieryDNCB/14/4/6

Abertillery New MineDNCB/14/4/7

Albion CollieryDNCB/14/4/8

Ammanford CollieryDNCB/14/4/9

Avon CollieryDNCB/14/4/10

Bargoed Colliery and Power StationDNCB/14/4/11

Bedwas CollieryDNCB/14/4/12

Blaenant CollieryDNCB/14/4/13

Blaenavon CollieryDNCB/14/4/14

Bryn CollieryDNCB/14/4/19

Brynlliw/Morlais CollieryDNCB/14/4/21

Bwllfa CollieryDNCB/14/4/23

Caerau CollieryDNCB/14/4/24

Cambrian CollieryDNCB/14/4/25

Cefncoed CollieryDNCB/14/4/28

Celynen South CollieryDNCB/14/4/30

Coegnant CollieryDNCB/14/4/33

Cwm CollieryDNCB/14/4/36

Cwmgorse CollieryDNCB/14/4/38

Cwmgwrach CollieryDNCB/14/4/40

Cwmtillery CollieryDNCB/14/4/42

Cynheidre CollieryDNCB/14/4/43

Deep Duffryn CollieryDNCB/14/4/45

Deep Navigation CollieryDNCB/14/4/46

Dillwyn CollieryDNCB/14/4/47

Duffryn Rhondda CollieryDNCB/14/4/48

East PitDNCB/14/4/49

Elliot Colliery and Rescue StationDNCB/14/4/50

Fernhill CollieryDNCB/14/4/52

Ffaldau CollieryDNCB/14/4/53

Garngoch CollieryDNCB/14/4/55

Garth Merthyr CollieryDNCB/14/4/56

Garth Tonmawr CollieryDNCB/14/4/57

Garw CollieryDNCB/14/4/58

Gellyceidrim CollieryDNCB/14/4/59

Glengarw CollieryDNCB/14/4/60

Glenhafod CollieryDNCB/14/4/61

Glen Rhondda CollieryDNCB/14/4/62

Glyncastle CollieryDNCB/14/4/63

Glyncorrwg CollieryDNCB/14/4/64

Glyntillery CollieryDNCB/14/4/65

Graig Merthyr CollieryDNCB/14/4/66

Groesfaen CollieryDNCB/14/4/68

Hafodyrynys Colliery and DriftDNCB/14/4/69

International CollieryDNCB/14/4/70

Lady Windsor CollieryDNCB/14/4/71

Llanbradach CollieryDNCB/14/4/74

Llanharan CollieryDNCB/14/4/76

Mardy CollieryDNCB/14/4/79

Marine CollieryDNCB/14/4/80

Markham CollieryDNCB/14/4/81

Merthyr Vale CollieryDNCB/14/4/82

Mountain CollieryDNCB/14/4/85

Nantewlaeth CollieryDNCB/14/4/86

Nantgarw Colliery and Coking WorksDNCB/14/4/87

Naval CollieryDNCB/14/4/89

Newlands CollieryDNCB/14/4/90

New Rockwood CollieryDNCB/14/4/91

New Tredegar CollieryDNCB/14/4/92

Nine Mile Point CollieryDNCB/14/4/93

North Rhondda CollieryDNCB/14/4/94

Oakdale CollieryDNCB/14/4/95

Oakland CollieryDNCB/14/4/96

Ogilvie CollieryDNCB/14/4/97

Ogmore Reconstruction, RailwayDNCB/14/4/98

Onllwyn No.1 and Onllwyn No.3DNCB/14/4/99

Parc CollieryDNCB/14/4/101

Patch, MaestegDNCB/14/4/102

Penallta CollieryDNCB/14/4/103

Penllwyngwent CollieryDNCB/14/4/104

Pentre CollieryDNCB/14/4/106

Risca CollieryDNCB/14/4/113

Rock Slant CollieryDNCB/14/4/114

Rose Heyworth CollieryDNCB/14/4/115

St John's CollieryDNCB/14/4/116

Seven Sisters CollieryDNCB/14/4/118

Six Bells CollieryDNCB/14/4/119

Steer PitDNCB/14/4/120

Taff Merthyr CollieryDNCB/14/4/121

Tirpentwys CollieryDNCB/14/4/123

Tower CollieryDNCB/14/4/124

Trelewis DriftDNCB/14/4/126

Waunllwyd CollieryDNCB/14/4/130

Wern Tarw CollieryDNCB/14/4/131

Western CollieryDNCB/14/4/133

Windsor CollieryDNCB/14/4/134

Wyllie CollieryDNCB/14/4/135

Wyndham CollieryDNCB/14/4/136

Ynysarwed SlantDNCB/14/4/137

Ynyscedwyn CollieryDNCB/14/4/138

Ystalyfera CollieryDNCB/14/4/139

Divisional Scientific Department (D1)DNCB/14/4/140

Map of South Wales Coalfield Showing Reserves and RankDNCB/14/4/140/1

Coal Sampling Equipment - Riffle SamplerDNCB/14/4/140/2

Coal Sampling Equipment - Hammer CrusherDNCB/14/4/140/3

Coal Sampling Equipment - Spot SamplingDNCB/14/4/140/4

Coal Sampling Equipment - Coal Crusher Being DischargedDNCB/14/4/140/5

Coal Sampling Equipment - Coal Crusher Being FedDNCB/14/4/140/6

Coal Sampling Equipment - Using Riffle SamplerDNCB/14/4/140/7

Coal Sampling Equipment - Riffle Sampler and ContainersDNCB/14/4/140/8

Coal Sampling Equipment - Mixing Spot SampleDNCB/14/4/140/9

Coal Sampling Equipment - Sieving SampleDNCB/14/4/140/10

Coal Sampling Equipment - Coal Sampling/Shale Picking BeltsDNCB/14/4/140/11

Coal Sampling Equipment - Coal Sampling/Shale Picking BeltsDNCB/14/4/140/12

Domestic Fuel Centre, Swansea, Appliances for TestingDNCB/14/4/140/13

Domestic Fuel Centre, Swansea, Appliances for TestingDNCB/14/4/140/14

Domestic Fuel Centre, Swansea, Appliances Being TestedDNCB/14/4/140/15

Domestic Fuel Centre, Swansea, Appliances Being TestedDNCB/14/4/140/16

Domestic Fuel Centre, Swansea, Appliances Being TestedDNCB/14/4/140/17

Domestic Fuel Centre, Swansea, Appliances for TestingDNCB/14/4/140/18

Domestic Fuel Centre, Swansea, View of Test RoomDNCB/14/4/140/19

Table of Products and Derivatives of Carbonisation with Bottles Containing the DerivativesDNCB/14/4/140/20

Copy of a diagram showing Typical Seam SectionsDNCB/14/4/140/21

Copy of a graph showing the number of accidents per 100,000 manshifts across the different UK coalfieldsDNCB/14/4/140/22

Copy of a map of South Wales Division Showing Laboratories, Coke Ovens and AncillariesDNCB/14/4/140/23

Images Showing Combustion of Single Particles of Relighter Flint, Pyrophonic Car Spark PatternsDNCB/14/4/140/24

Unidentified Scientific EquipmentDNCB/14/4/140/25

Copy of a chart Showing Products Obtainable From Coal with Chemicals and Derivatives Which are Now Being Manufactured in Great BritainDNCB/14/4/140/26

Ferndale Fire, [Unidentified Equipment]DNCB/14/4/140/27

[Ferndale Fire], [Underground Ventilation Shown?]DNCB/14/4/140/28

[Ferndale Fire], [Underground Ventilation Shown?]DNCB/14/4/140/29

[Ferndale Fire], Underground Plan, Ferndale No.5DNCB/14/4/140/30

[Ferndale Fire], [Underground View]DNCB/14/4/140/31

Copy of a Colliery Emergency Organisation ChartDNCB/14/4/140/32

[Ferndale Fire], Plan Showing Position of PitsDNCB/14/4/140/33

Ferndale Fire, Mine Air Analysis Being Carried OutDNCB/14/4/140/34

Ferndale Fire, Mine Air Analysis Being Carried OutDNCB/14/4/140/35

Ferndale Fire, [Unidentified monitoring equipment]DNCB/14/4/140/36

Ferndale Fire, Ferndale Collieries, No.5 Pit, Plan Showing Area Affected by HeatingDNCB/14/4/140/37

Ferndale Fire, Ferndale Collieries, No.5 Pit, Graph Showing Heating in 'J' Conveyor DistrictDNCB/14/4/140/38

Ferndale Fire, Ferndale Collieries, No.5 Pit, Ventilation PlanDNCB/14/4/140/39

Divisional Lamp Testing Station, Treorchy, View of ConsoleDNCB/14/4/140/40

Divisional Lamp Testing Station, Treorchy, View of Console Control PanelDNCB/14/4/140/41

Divisional Lamp Testing Station, Treorchy, View of Interior of ConsoleDNCB/14/4/140/42

Divisional Lamp Testing Station, Treorchy, Bulb Testing RackDNCB/14/4/140/43

Divisional Lamp Testing Station, Treorchy, General View of StationDNCB/14/4/140/44

River PollutionDNCB/14/4/140/45

River PollutionDNCB/14/4/140/46

River PollutionDNCB/14/4/140/47

River PollutionDNCB/14/4/140/48

River PollutionDNCB/14/4/140/49

River PollutionDNCB/14/4/140/50

River PollutionDNCB/14/4/140/51

River PollutionDNCB/14/4/140/52

Bourne-Wheeler ApparatusDNCB/14/4/140/53

Drill with Dust Extractor Equipment (Waterloo Colliery), (taken for Central Research, Isleworth) OakdaleDNCB/14/4/140/54

Bacteriological Oxidation ApparatusDNCB/14/4/140/55

Nantgarw Plant, Interior of LaboratoryDNCB/14/4/140/56

Nantgarw Plant, Interior of LaboratoryDNCB/14/4/140/57

Nantgarw Plant, Interior of LaboratoryDNCB/14/4/140/58

Clydach Village, Quarry Tipping SiteDNCB/14/4/140/59

Clydach Village, Quarry Tipping SiteDNCB/14/4/140/60

Clydach Village, Quarry Tipping SiteDNCB/14/4/140/61

Clydach Village, Quarry Tipping SiteDNCB/14/4/140/62

Clydach Village, Quarry Tipping SiteDNCB/14/4/140/63

Benzol in Gas/Freezing ApparatusDNCB/14/4/140/64

Maritime Plant, Ground View of Biological Oxidation of Effluent UnitDNCB/14/4/140/65

Maritime Plant, Ground View of Biological Oxidation of Effluent UnitDNCB/14/4/140/66

Maritime Plant, View from above of Biological Oxidation of Effluent UnitDNCB/14/4/140/67

Maritime Plant, Biological Oxidation of Effluent Unit, Preheater and Air Supply Control ArrangementDNCB/14/4/140/68

Maritime Plant, Biological Oxidation of Effluent Unit, View of ClarifierDNCB/14/4/140/69

Maritime Plant, Biological Oxidation of Effluent Unit, Filtrate Receiver and PumpDNCB/14/4/140/70

Maritime Plant, Biological Oxidation of Effluent Unit, Tailings Filter DrumDNCB/14/4/140/71

Biological Oxidation of Effluent Unit, Primary Apparatus for the Biological Oxidation of PhenolsDNCB/14/4/140/72

Biological Oxidation of Effluent Unit, First Lab Unit (Cast Iron Vessels) for the Biological Oxidation of PhenolsDNCB/14/4/140/73

Biological Oxidation of Effluent Unit, Second Lab Unit (Concrete Vessels) for the Biological Oxidation of PhenolsDNCB/14/4/140/74

Hydrogen Sulphide Apparatus, Front ViewDNCB/14/4/140/75

Hydrogen Sulphide Apparatus, Rear ViewDNCB/14/4/140/76

Outdoor View of Algae TanksDNCB/14/4/140/77

Laboratory Bacteriological/Oxidation UnitDNCB/14/4/140/78

Thermal Precipitators with Old and New Style JetsDNCB/14/4/140/79

Biological Oxidation Unit, CoedelyDNCB/14/4/140/80

Biological Oxidation Unit, CoedelyDNCB/14/4/140/81

Biological Oxidation Unit, CoedelyDNCB/14/4/140/82

Biological Oxidation Unit, CoedelyDNCB/14/4/140/83

Biological Oxidation Unit, CoedelyDNCB/14/4/140/84

Biological Oxidation Unit, CoedelyDNCB/14/4/140/85

Vapour Phase Chromatography ApparatusDNCB/14/4/140/86

Copy of a plan of Coedely Biological/Oxidation UnitDNCB/14/4/140/87

Bacteriological Oxidation Plant, CwmDNCB/14/4/140/88

Bacteriological Oxidation Plant, CwmDNCB/14/4/140/89

Bacteriological Oxidation Plant, CwmDNCB/14/4/140/90

Bacteriological Oxidation Plant, CwmDNCB/14/4/140/91

Bacteriological Oxidation Plant, CwmDNCB/14/4/140/92

'Koncap' Methane Gas Cap Apparatus (Invention)DNCB/14/4/140/93

Double Cone Sub-Divider (Automatic Feed), Front ViewDNCB/14/4/140/94

Ordinary Double Cone Sub-Divider (No Automatic Feed)DNCB/14/4/140/95

Cwm Biological Oxidation Plant, Set of 10 Diffusion DomesDNCB/14/4/140/96

Cwm Biological Oxidation Plant, Control Panel in LaboratoryDNCB/14/4/140/97

Cwm Biological Oxidation Plant, View of Laboratory InteriorDNCB/14/4/140/98

Photomicrograph, Filter Coal as ProducedDNCB/14/4/140/99

Photomicrograph, Filter Coal from Elan ValleyDNCB/14/4/140/100

Photomicrograph, Deposit from Filter Coal from Elan ValleyDNCB/14/4/140/101

Photomicrograph, Elan Valley GritDNCB/14/4/140/102

10ccs Haldane Apparatus, Front ViewDNCB/14/4/140/103

10ccs Haldane Apparatus, Front ViewDNCB/14/4/140/104

Apparatus for Testing Compressor Thermal Switches, Teddington Thermal Switch UnitDNCB/14/4/140/105

Apparatus for Testing Compressor Thermal Switches, Teddington Thermal Switch Unit with Front Cover offDNCB/14/4/140/106

Apparatus for Testing Compressor Thermal Switches, Complete Test ApparatusDNCB/14/4/140/107

Apparatus for Testing Compressor Thermal Switches, Teddington Thermal Switch Unit with Bottom Plate RemovedDNCB/14/4/140/108

Apparatus for Testing Compressor Thermal Switches, Oil Bath and Mixer for Test ApparatusDNCB/14/4/140/109

View of Laboratory Bench Showing ApparatusDNCB/14/4/140/110

View of Laboratory Bench Showing ApparatusDNCB/14/4/140/111

Close up of Laboratory Bench Showing Recorder and IRGA ApparatusDNCB/14/4/140/112

Close up of Laboratory Bench Showing IRGA ApparatusDNCB/14/4/140/113

Interior of Mobile LaboratoryDNCB/14/4/140/114

IRGA Apparatus, View of InteriorDNCB/14/4/140/115

IRGA Apparatus at No.6 Area LaboratoryDNCB/14/4/140/116

Westhoff Apparatus, Front ViewDNCB/14/4/140/117

Beckman Oxygen Analyser, Model E2DNCB/14/4/140/118

Hydrogen Chromotography ApparatusDNCB/14/4/140/119

Hydrogen Chromotography Apparatus, View of InteriorDNCB/14/4/140/120

Sulpur Dioxide MeterDNCB/14/4/140/121

Gas Solid Chromotography ApparatusDNCB/14/4/140/122

Gas Solid Chromotography Apparatus, Interior Showing Columns and KatharometerDNCB/14/4/140/123

Naylor Gas Testing LampDNCB/14/4/140/124

Scientific Equipment, [Neocardiograph]DNCB/14/4/140/125

Modified EEL DensitometerDNCB/14/4/140/126

BOC Nitrogen Unit at Fernhill Colliery (Fire), Front View of Unit and Part of Pithead GearDNCB/14/4/140/127

BOC Nitrogen Unit at Fernhill CollieryDNCB/14/4/140/128

BOC Nitrogen Unit at Fernhill CollieryDNCB/14/4/140/129

BOC Nitrogen Unit at Fernhill Colliery, Control PanelDNCB/14/4/140/130

Nitrogen Unit, Fernhill CollieryDNCB/14/4/140/131

Divisional Lamp Testing Station, Treorchy, General View of Station InteriorDNCB/14/4/140/132

Divisional Lamp Testing Station, Treorchy, Front View of ConsoleDNCB/14/4/140/133

Divisional Lamp Testing Station, Treorchy, Shatter Test ApparatusDNCB/14/4/140/134

Divisional Lamp Testing Station, Treorchy, Torsion Test ApparatusDNCB/14/4/140/135

Mobile Laboratory, Fernhill CollieryDNCB/14/4/140/136

Methane Control Laboratory, Nantgarw Plant, General Exterior ViewDNCB/14/4/140/137

Methane Control Laboratory, Nantgarw Plant, View of Control Panels through WindowDNCB/14/4/140/138

Methane Control Laboratory, Nantgarw Plant, Laboratory Set UpDNCB/14/4/140/139

Photomicrograph, Phurnacite AshDNCB/14/4/140/140

Photomicrograph, Phurnacite AshDNCB/14/4/140/141

Photomicrograph, Benzene insoluable fraction of Phurnacite TarDNCB/14/4/140/142

Tredomen Laboratory, Cendrex Installation, General ViewDNCB/14/4/140/143

Tredomen Laboratory, Cendrex Installation, Interior View of Cendrix CabinetDNCB/14/4/140/144

Tredomen Laboratory, Cendrex Installation, Exterior View of Control Switch PanelDNCB/14/4/140/145

Tredomen Laboratory, Cendrex Installation, Interior View of Control Switch PanelDNCB/14/4/140/146

Tredomen Laboratory, Cendrex Installation, Coal Crushing UnitDNCB/14/4/140/147

Road Tar, Bridgend Industrial EstateDNCB/14/4/140/148

Road Tar, Bridgend Industrial EstateDNCB/14/4/140/149

Road Tar, Bridgend Industrial EstateDNCB/14/4/140/150

Road Tar, Bridgend Industrial EstateDNCB/14/4/140/151

Road Tar, Bridgend Industrial EstateDNCB/14/4/140/152

Road Tar, Bridgend Industrial EstateDNCB/14/4/140/153

Divisional Lamp Testing Station, Treorchy, cube test bench and consoleDNCB/14/4/140/154

Divisional Lamp Testing Station, Treorchy, cube test bench, with cube openDNCB/14/4/140/155

Divisional Lamp Testing Station, Treorchy, General View of bulb 'life test' racksDNCB/14/4/140/156

Divisional Lamp Testing Station, Treorchy, View of a 'life test' rack showing meter and recorderDNCB/14/4/140/157

Divisional Lamp Testing Station, Treorchy, Lamp Size GaugeDNCB/14/4/140/158

Divisional Lamp Testing Station, Treorchy, Apparatus for testing the cementing between the glass envelope and metal cap of the bulbDNCB/14/4/140/159

Divisional Lamp Testing Station, Treorchy, Apparatus for measuring the position of the filament in the bulbDNCB/14/4/140/160

Copy of a diagram showing Vertical Section in the South Wales Coalfield for the Two Feet Nine Seam and BelowDNCB/14/4/140/161

General View of Road Before Surface Dressing, Van Road, CaerphillyDNCB/14/4/140/162

Close up of Road Before Surface Dressing, Van Road, CaerphillyDNCB/14/4/140/163

General View of Road After Surface Dressing, Van Road, CaerphillyDNCB/14/4/140/164

Close up of Road After Surface Dressing, Van Road, CaerphillyDNCB/14/4/140/165

Adhesive Strength Test ApparatusDNCB/14/4/140/166

Modified CRE Air Sampling Pump (Assembled)DNCB/14/4/140/167

Modified CRE Air Sampling Pump (In Parts)DNCB/14/4/140/168

Coedely Coke Ovens, View of Approach to Main Road JunctionDNCB/14/4/140/169

Coedely Coke Ovens, General View Looking Towards Level CrossingDNCB/14/4/140/170

Copy of a diagram showing Cendrix Measuring HeadDNCB/14/4/140/171

Copy of a diagram showing Cendrix Mixing Disc, Schematic PlanDNCB/14/4/140/172

Copy of a diagram, Sample and Product Handling System at Mardy, Cendrex InstallationDNCB/14/4/140/173

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, General View of a Trianco ApplianceDNCB/14/4/140/174

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Trianco Appliance with Tools in Front of ApplianceDNCB/14/4/140/175

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Trianco Appliance, Interior of [Firebox]DNCB/14/4/140/176

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Trianco Appliance, [Airbox] at Rear of ApplianceDNCB/14/4/140/177

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Linco K5, General ViewDNCB/14/4/140/178

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Linco K5, View of Appliance with Doors OpenDNCB/14/4/140/179

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Linco K5, Rear View of ApplianceDNCB/14/4/140/180

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Linco K5, View of Side of Appliance with Casing Stripped OffDNCB/14/4/140/181

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Inferno Unifa 63 Appliance, General ViewDNCB/14/4/140/182

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Inferno Unifa 63 Appliance, View of Casing OnlyDNCB/14/4/140/183

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Inferno Unifa 63 Appliance, View of Rear of ApplianceDNCB/14/4/140/184

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, Inferno Unifa 63 Appliance, View of Rear of Appliance Showing Flues and Flue boxDNCB/14/4/140/185

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, AGA A1 Appliance, General ViewDNCB/14/4/140/186

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, AGA A1 Appliance, Doors Open with Tools in Front of ApplianceDNCB/14/4/140/187

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, AGA A1 Appliance, Interior of FireboxDNCB/14/4/140/188

Domestic Fuel and Appliance Test Centre, Cwmdu Laboratory, AGA A1 Appliance, Interior of FlueboxDNCB/14/4/140/189

Road Surfaces after 12 months of wear, Cwm Approach Road, Away from Plant, General ViewDNCB/14/4/140/190

Road Surfaces after 12 months of wear, Cwm Approach Road, Towards Plant, General ViewDNCB/14/4/140/191

Road Surfaces after 12 months of wear, Cwm Approach Road, Close UpDNCB/14/4/140/192

Road Surfaces after 12 months of wear, Cwm Approach Road, Close Up Looking Along JointDNCB/14/4/140/193

Road Surfaces after 12 months of wear, Cwm Approach Road, Close up of TextureDNCB/14/4/140/194

Road Surfaces after 12 months of wear, Cwm Approach Road, Close up into JointDNCB/14/4/140/195

Road Surfaces after 12 months of wear, Coedely Approach Road, General View, Corner and HillDNCB/14/4/140/196

Road Surfaces after 12 months of wear, Coedely Approach Road, General View, Towards CornerDNCB/14/4/140/197

Road Surfaces after 12 months of wear, Coedely Approach Road, Close up (Good)DNCB/14/4/140/198

Road Surfaces after 12 months of wear, Coedely Approach Road, Close up (Bad)DNCB/14/4/140/199

Zeiss Interferometer and MSA Methamometer Type HC MKIIDNCB/14/4/140/200

Gas Cap Testing Cabinet for Training PurposesDNCB/14/4/140/201

Special Tool Constructed for use with Garforth Flame Lamps, General ViewDNCB/14/4/140/202

Special Tool Constructed for use with Garforth Flame Lamps, Hand Holding Tool in Position of use on LampDNCB/14/4/140/203

Weathering Spoil, Aberfan Investigation, Excavation No.1, Tip 5. Exposed Section - Surface to Minus 2ftDNCB/14/4/140/204

Laboratory Testing for Jeavons Regulator Valve, ex Cwm Colliery (Explosion 1 Nov 1969)DNCB/14/4/140/205

View of Two Anemometers with Metric Calibration, with one being replaced with a new oneDNCB/14/4/140/206

Maritime Laboratory, Proposed SiteDNCB/14/4/140/207

Maritime Laboratory, General View of Proposed SiteDNCB/14/4/140/208

Maritime Laboratory, General View of Proposed SiteDNCB/14/4/140/209

Maritime Laboratory, General View of Proposed SiteDNCB/14/4/140/210

Maritime Laboratory, General View of Proposed SiteDNCB/14/4/140/211

Maritime Laboratory, General View of Proposed SiteDNCB/14/4/140/212

Maritime Laboratory, General View of Proposed SiteDNCB/14/4/140/213

Maritime Laboratory, General View of Environs for Proposed SiteDNCB/14/4/140/214

Maritime Laboratory, General View of Environs for Proposed SiteDNCB/14/4/140/215

Maritime Laboratory, General View of Environs for Proposed SiteDNCB/14/4/140/216

Maritime Laboratory, General View of Environs for Proposed SiteDNCB/14/4/140/217

Coal Sample Showing Cone in Cone Structure, Front ViewDNCB/14/4/140/218

Coal Sample Showing Cone in Cone Structure, Side ViewDNCB/14/4/140/219

Old Henllyn Pit after an explosion possibly caused by lightningDNCB/14/4/140/220

Old Henllyn Pit after an explosion possibly caused by lightningDNCB/14/4/140/221

Old Henllyn Pit after an explosion possibly caused by lightningDNCB/14/4/140/222

Old Henllyn Pit after an explosion possibly caused by lightningDNCB/14/4/140/223

Old Henllyn Pit after an explosion possibly caused by lightningDNCB/14/4/140/224

Old Henllyn Pit after an explosion possibly caused by lightningDNCB/14/4/140/225

Old Henllyn Pit after an explosion possibly caused by lightningDNCB/14/4/140/226

Old Henllyn Pit after an explosion possibly caused by lightningDNCB/14/4/140/227

X6 Vacuum Filtration ApparatusDNCB/14/4/140/228

Sieger Gas Alarm Installation at Cwm Colliery, Control PanelDNCB/14/4/140/229

Maritime Laboratory Development, Progress (1st Visit)DNCB/14/4/140/230

Maritime Laboratory Development, Progress (1st Visit)DNCB/14/4/140/231

Maritime Laboratory Development, Progress (1st Visit)DNCB/14/4/140/232

Maritime Laboratory Development, Progress (2nd Visit)DNCB/14/4/140/233

Maritime Laboratory Development, Progress (2nd Visit)DNCB/14/4/140/234

Maritime Laboratory Development, Progress (2nd Visit)DNCB/14/4/140/235

Maritime Laboratory Development, Progress (2nd Visit)DNCB/14/4/140/236

Maritime Laboratory Development, Progress (3rd Visit)DNCB/14/4/140/237

Maritime Laboratory Development, Progress (3rd Visit)DNCB/14/4/140/238

Maritime Laboratory Development, Progress (3rd Visit)DNCB/14/4/140/239

Maritime Laboratory Development, Progress (3rd Visit)DNCB/14/4/140/240

Maritime Laboratory Development, Progress (3rd Visit)DNCB/14/4/140/241

Maritime Laboratory Development, Progress (3rd Visit)DNCB/14/4/140/242

Maritime Laboratory Development, Progress (3rd Visit)DNCB/14/4/140/243

View of Sieger Model 2100 Thermal Conducting Meter and Recorder (in situ), Avon Methane Drainage Control CentreDNCB/14/4/140/244

View of Sieger Model 2100 Thermal Conducting Meter and Recorder with top plate removed, Avon Methane Drainage Control CentreDNCB/14/4/140/245

Test of Monton Powder (fire proofing material), Panel of timbers from each bay removed after fire. Displayed to show back and front of planksDNCB/14/4/140/246

Aberbargoed Tip, Experimental Section (Progress Photographs - First Visit)DNCB/14/4/140/247

Aberbargoed Tip, Experimental Section (Progress Photographs - First Visit)DNCB/14/4/140/248

Aberbargoed Tip, Experimental Section (Progress Photographs - First Visit)DNCB/14/4/140/249

Aberbargoed Tip, Experimental Section, General View of Tip (Progress Photographs - Second Visit)DNCB/14/4/140/250

Aberbargoed Tip, Experimental Section, General View of Tip (Progress Photographs - Third Visit)DNCB/14/4/140/251

Aberbargoed Tip, Experimental Section, Tipper (Progress Photographs - Fourth Visit)DNCB/14/4/140/252

Aberbargoed Tip, Experimental Section, Tipper (Progress Photographs - Fourth Visit)DNCB/14/4/140/253

Aberbargoed Tip, Experimental Section, Tip Surface (Progress Photographs - Fourth Visit)DNCB/14/4/140/254

Aberbargoed Tip, Experimental Section, Tip Surface (Progress Photographs - Fourth Visit)DNCB/14/4/140/255

Aberbargoed Tip, Experimental Section, Tip Surface (Progress Photographs - Fifth Visit)DNCB/14/4/140/256

Aberbargoed Tip, Experimental Section, Tip Surface (Progress Photographs - Fifth Visit)DNCB/14/4/140/257

Aberbargoed Tip, Experimental Section, Tip Surface (Progress Photographs - Sixth Visit)DNCB/14/4/140/258

Aberbargoed Tip, Experimental Section, Tip Surface (Progress Photographs - Sixth Visit)DNCB/14/4/140/259

Aberbargoed Tip, Experimental Section, Tip Surface (Progress Photographs - Sixth Visit)DNCB/14/4/140/260

Aberbargoed Tip, Experimental Section, (Progress Photographs - Seventh (and Final) Visit)DNCB/14/4/140/261

Mines Rescue, Mobile LaboratoryDNCB/14/4/140/262

Mines Rescue, Mobile LaboratoryDNCB/14/4/140/263

Mines Rescue, Mobile LaboratoryDNCB/14/4/140/264

Divisional Carbonisation Department (D2)DNCB/14/4/141

Divisional Roof Control Department (D3)DNCB/14/4/142

Divisional Dust Department (D4)DNCB/14/4/143

Divisional Safety Department (D5)DNCB/14/4/144

Divisional Engineers Department (D6)DNCB/14/4/145

Divisional Production Department (D7)DNCB/14/4/145A

Accidents (Common Law Cases) (D8)DNCB/14/4/146

Other Departments - Divisional Marketing/Publicity, Divisional Staff Department, Divisional Architects Department and Divisional Secretariat (D9)DNCB/14/4/147

Divisional Road Transport Department (D10)DNCB/14/4/148

Divisional Press Relations Department (D11)DNCB/14/4/149

Divisional Mechanisation Department (D13)DNCB/14/4/150

Divisional Surveyors Department (D14)DNCB/14/4/151

Tredomen Works (D16)DNCB/14/4/152

Staff and Social (S)DNCB/14/4/153

'Tondu' Series (miscellaneous photographs) (TUO)DNCB/14/4/154

Special Area Works (SAW)DNCB/14/4/155

Machinery, Equipment and Workshops (M)DNCB/14/4/156

'A' Series (miscellaneous photographs)DNCB/14/4/157

Staff and SocialDNCB/14/4/158

Collieries, buildings, and other National Coal Board sitesDNCB/14/4/159

National Coal Board ExhibitionsDNCB/14/4/160

Underground ViewsDNCB/14/4/161

Scientific equipment and test samplesDNCB/14/4/162

Equipment and MachineryDNCB/14/4/163

Domestic Heating and AppliancesDNCB/14/4/164

Copies of Plans, Diagrams, Charts and MapsDNCB/14/4/165

Copies of CartoonsDNCB/14/4/166

Vehicle accidents/incidents outside of the collieryDNCB/14/4/167

Uncategorised ImagesDNCB/14/4/168

PR Department Photographic Contact SheetsDNCB/14/5

National Coal Board Photograph AlbumsDNCB/14/6

Aerial Photographs of Opencast Sites, South Wales AreaDNCB/14/7

National Coal Board Photographic PrintsDNCB/14/8

National Coal Board Transparencies and Lantern SlidesDNCB/14/9

Paperwork relating to the National Coal Board Photographic CollectionDNCB/14/10

Pre-Vesting Date Coal Mining and Related Industrial RecordsDNCB/15