Investigation into causes of falls, and accidents due to falls in bord and pillar whole workings, constituting Second Progress Report of Support of Workings in Mines Committee of North of England Inst Min and Mech Engrs. (See also - n 3808 Dec 22 1933 p 1158-60; discussion p 1205-6; Iron and Coal Trades Rev v 127 n 3434 and 3435 Dec 22 1933 p 950-1 and Dec 29 p 978-9)
Falls in bord-and-pillar whole workings
Colliery Guardian
Colliery Guardian ; 147 , n 3809
1933
2 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Some notes on the bord-and-pillar system of work
Engineering Index Backfile | 1898
European Patent Office | 2021
|Steuervorrichtung für eine Bord-Stromversorgungseinheit und Bord-Stromversorgungsvorrichtung
European Patent Office | 2019
|