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Signalling from cages at rest or in motion
| Author: | Parker, D. J. |
|---|---|
| Additional Authors: | Manning, R. I. C. |
| Year: | 1929 |
| Document Type: | MAIN |
| SUDOC: | C 22.11:6161 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6161 |
| Subject: | Mine fires--Prevention and control |
| Link: | https://hdl.handle.net/2027/mdp.39015095078617 |
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