Safe practice in using wire ropes in mines
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| Main Authors: | , |
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| 格式: | 图书 |
| 语言: | English |
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Washington :
Government Printing Office,
1919.
|
| 丛编: | Technical Paper ;
237 |
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| 机构: | Library of the Academy of Sciences of the Czech Republic |
| All Items of this Institution: | all items available from Library of the Academy of Sciences of the Czech Republic |
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Manila and wire rope.
Reports and Tables of Experiments on Hemp and Wire Rope, made by order of the Bureau of Equipment and Recruiting, Navy Department
Reasons for prohibiting the importation of white iron-wire, and against putting old wire into new leather.
