Road Tar, Bridgend Industrial Estate

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Dates of Creation
Physical Description

Scope and Content

View along road showing section after laying. Original envelope annotated 'Mr Dutton, Road Tar Series'.

Custodial History

Original National Coal Board negative number: D1/425. 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