D. Simpson’s written contribution to discussion on ‘Mechanised drifting at Comrie Colliery’ by J.N. Adamson

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Douglas Simpson, Colliery Manager, PapersD624

Photographs and negativesD624/2

Abercynon CollieryD624/4/1

Abernant CollieryD624/4/2

Cwmgorse CollieryD624/4/3

Llanharan CollieryD624/4/4

Nantgarw CollieryD624/4/5

Taff Merthyr CollieryD624/4/6

National Coal BoardD624/4/7

TestsD624/4/8

Locomotives and machineryD624/4/9

ExplosionsD624/4/10

Intensive stonedriftingD624/4/11

DraftsD624/4/12

Other reportsD624/4/13

Inspection reports and correspondence about unapproved exploder for multi-shot firing at LlanharanD624/4/13/1

Production department organisation chart and notesD624/4/13/2

Abernant Colliery project information sheet for press visitD624/4/13/3

Contribution to discussion on the development of pneumatic stowing in the South Wales CoalfieldD624/4/13/4

Steel supports statement sheetD624/4/13/5

Form of daily service for use in National Coal Board departmentsD624/4/13/6

Letter of thanks from Dr. J.B. Atkins, Regional Mines Medical Officer, Ministry of Fuel and Power, Mines Medical ServiceD624/4/13/7

Contribution and proposal of vote of thanks to Dr. T.H. Jenking at Public Lecture, Caerphilly Technical Shool by D. SimpsonD624/4/13/8

The South Western Society of Mining Engineers list of council members 1949-1950D624/4/13/9

Notes on discussion regarding the reorganisation of Ffaldeau CollieryD624/4/13/10

Written contribution from D. Simpson to discussion on Mr Lister Walker’s paper ‘The application of horizon mining to the South Wales coalfield’D624/4/13/11

Contribution to discussion on Mr Fennel’s paper ‘Locomotive Haulage’D624/4/13/12

Correspondence about pneumatic stowingD624/4/13/13

Letter to Mr R.F. Pescod informing him of a change of addressD624/4/13/14

List of work to be completed by 14 Jul 1963D624/4/13/15

Menu for fourth annual dinner of the South Western Society of Mining EngineersD624/4/13/16

Safety in mines: report of the H.M. Divisional Inspector of Mines, National Coal BoardD624/4/13/17

D. Simpson’s written contribution to discussion on ‘Mechanised drifting at Comrie Colliery’ by J.N. AdamsonD624/4/13/18

Report of the S.W. Shotfiring and its Alternatives Committee: ‘Record of drilling and blasting operations associated with rapid hard-ground drivage’D624/4/13/19

Institute of Mining Engineers: ‘First report of Committee on Qualifications and Training for Mining Engineers’D624/4/13/20

Institute of Mining Engineers: ‘Third report of the Committee on Shotfiring and its Alternatives’D624/4/13/21

Contribution to discussion on ‘Shotfiring in Intensive Stonedrifts’ by Hudson and LeeD624/4/13/22

Photographs of Rhondda collieries and South AfricaD624/4/13/23

National Association of Colliery Managers bye-lawsD624/4/13/24

Report: ‘The Reorganisation of Lady Windsor Colliery’ by D.M. Thompson and T.H.RhodesD624/4/13/25

Constitution and bye-laws of the South Western Society of Mining EngineersD624/4/13/26

Penallta Colliery steel statementD624/4/13/27

Coedely Spoil Heaps report on first stage of investigation into stability of tips 214 and 466 by Sir William Halcrow & Partners consulting engineersD624/4/13/28

Report on the problem of realised price and the factors which influence it by Evan LewisD624/4/13/29

'Dust control – the problem stated'D624/4/13/30

‘Ore dressing, washability curves’ by Coal Treatment LaboratoryD624/4/13/31

Weekly reports by D. Simpson and others for Bargoed Colliery, Llanharan Colliery and Windsor CollieryD624/4/13/32

PapersD624/5

Plans, drawings, charts and diagramsD624/6

NotebooksD624/7

Handwritten notes and other papersD624/8

Social eventsD624/9

MagazinesD624/10

Catalogues and advertisementsD624/11

Information bookletsD624/12

Operating instructionsD624/13

CorrespondenceD624/14