Bureau of Mines Circular 7680

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‘Methods and costs of sinking a shaft through a fractured, water-bearing formation at Friedensville, PA’ by Warren Hastings, F.J. Kane and F.D. Wright.

Archive Record|Table of contents

Douglas Simpson, Colliery Manager, PapersD624

Photographs and negativesD624/2

PapersD624/5

Plans, drawings, charts and diagramsD624/6

NotebooksD624/7

Handwritten notes and other papersD624/8

Horizon minesD624/8/1

Colliery notes and papersD624/8/2

Abercynon CollieryD624/8/2/1

Abernant CollieryD624/8/2/2

Cwmgorse CollieryD624/8/2/3

Nantgarw CollieryD624/8/2/4

Handwritten notes and diagrams for 380 yd landing; information booklet for the Walker-Macard Mine FanD624/8/2/4/1

Construction programme and revised schedule for surface and shaft equipmentD624/8/2/4/2

Review of hard headings and record of progress in hard headingsD624/8/2/4/3

Construction of Nantgarw Colliery surfaceD624/8/2/4/4

Handwritten notes detailing progress in South PitD624/8/2/4/5

Institute of Fuel South Wales Section notice of meeting with paper ‘Opening a new colliery of horizon methods’ by D. SimpsonD624/8/2/4/6

Bureau of Mines Circular 7680D624/8/2/4/7

Report: ‘Training scheme for employment in shaft sinking or driving drifts submitted under Regulation 10 of the Coal Mines (Training) General Regulations 1945’D624/8/2/4/8

Handwritten notes on modern shaft sinking practiceD624/8/2/4/9

The Cementation Company Limited shift reportD624/8/2/4/10

Translation of German article on mechanisation in shaft sinkingD624/8/2/4/11

Diagrams of machineryD624/8/2/4/12

ExplosivesD624/8/3

MachineryD624/8/4

PersonnelD624/8/5

MediaD624/8/6

Grootvlei Proprietary MinesD624/8/7

Social eventsD624/9

MagazinesD624/10

Catalogues and advertisementsD624/11

Information bookletsD624/12

Operating instructionsD624/13

CorrespondenceD624/14