Misuse of flame safety lamps and dangers of mixed lights
| Author: | Ilsley, L. C. |
|---|---|
| Year: | 1925 |
| Document Type: | MAIN |
| Issuing Agency: | Govt. Print. Off., |
| Series: | Miners' circular ; |
| Report Number: | 29 |
| Subject: | Safety lamps |
| Link: | https://hdl.handle.net/2027/mdp.39015077562174 |