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| Colliery Engineering | August, 1931 |
A New Chock Release
Drawings and Photographs accompanying the article
Fig. 4 — Chock Release in Position ; in the Second Sketch the Loss in Strength due to using a Tippler is shown
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Fig. 4 — Chock Release in Position ; in the Second Sketch the Loss in Strength due to using a Tippler is shown
Image Reference: L-00396-03-0065-F04
Article reproduced from a copy of the magazine held at National Mining Museum Scotland, Newtongrange, Midlothian.
Contains public sector information licensed under the 
