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Showing: 1 to 10 of 3130 matches for "machinery"
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| TITLE |
New York Paper - Coal-Cutting Machinery |
| SUMMARY |
... origin. Coal-Cutting Machinery.* ... 25 tons less than in 1891. The year 1897
showed a notable advance in the use of mining-machinery. The ... |
| AUTHOR |
Parker, Edward W. |
| PUBLISHED |
1900 |
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| TITLE |
Fortune Shows Mining Sales Up 14.5% In 1967 |
| SUMMARY |
... INCREASES Offce machinery (ncludes computers) ... 17.2 Measuring, scientific, and
photographic equipment 16.2 Office machinery (includes computers) 13.2 Mining ... |
| PUBLISHED |
1968 |
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| TITLE |
An Innovation In Machine Tunneling |
| SUMMARY |
... These improvements have been both in methods and in machinery and have
resultedin more economical constructionof today’s tunnels. ... |
| AUTHOR |
Jacobs, J. Donovan |
| PUBLISHED |
1974 |
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| TITLE |
Among Fortune’s Favored 500 |
| SUMMARY |
... 19.5% Farm and industrial machinery . . . . . 16.5 Pharmaceuticals . ... 11.7 Office
machinery (includes computers) 11.5 Chemicals . . . . . ... |
| PUBLISHED |
1966 |
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| TITLE |
Safe Blast Hole Drilling |
| SUMMARY |
... LMOST all the hazards productive of accidents A are present in churn drill
operation-exposed electrical cables, open machinery, moving parts lo- cated overhead ... |
| PUBLISHED |
1953 |
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| TITLE |
Mine Gases |
| SUMMARY |
... Miners had to contend with gases without the aid of enclosed lighting, permissible
mine machinery, sophisticated testing devices, and high-pressure ventilating ... |
| AUTHOR |
Mosgrove, Jed H. |
| PUBLISHED |
1981 |
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