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Books Books 1 - 10 of 19 on COLLIERIES. — Undoubted evidence exists of the explosion of fire-damp in collieries....
" COLLIERIES. — Undoubted evidence exists of the explosion of fire-damp in collieries through sparks from atmospheric electricity being led into the mine by the wire ropes of the shaft and the iron rails of the galleries. Hence the head gear of all shafts... "
Lightning Rod Conference: Report of the Delegates from the Following ... - Page xxxi
edited by - 1882 - 280 pages
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Mineral Statistics of Victoria for the Year ...

Mines and mineral resources - 1883
...carelessness of workmen. 15. Collieries. — Undoubted evidence exists of the explosion of firedamps in collieries, through sparks from atmospheric electricity...headgear of all shafts should be protected by proper lightning-conductors. • It IB recommended that the Inlet and outlet plpei ot large gas-meters be...
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Bulletin, Issues 241-280

Agriculture - 1906
...are very numerous, tests can be effected by the provision of test clamps of a suitable design. 29. COLLIERIES. — Undoubted evidence exists of the explosion...shaft and the iron rails of the galleries. Hence the head gear of all shafts should be protected by proper lightning conductors. SUGGESTIONS OF THE COMMITTEE....
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Transactions and Proceedings of the Royal Society of Victoria, Volume 23

Royal Society of Victoria, Melbourne - 1886
...latest period of the works from accidental causes, and often from the carelessness of workmen. 15. COLLIERIES. — Undoubted evidence exists of the explosion...headgear of all shafts should be protected by proper lightning-conductors. (Signed) W. GRYLLS ADAMS. WE AYRTON. LATIMER CLARK. EE DYMOND. C. CAREY FOSTER....
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The colliery manager's handbook: a comprehensive treatise on the laying-out ...

Caleb Pamely - Technology & Engineering - 1891 - 578 pages
...from a smaller to a larger drum, but not from a larger to a smaller one. " Lightning Conductors. — Undoubted evidence exists of the explosion of firedamp...should be protected by proper Lightning Conductors as suggested in the Report of the Lightning Rod Conference, 1 88 1 . " Safety. — Nothing costs too...
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Lightning conductors and lightning guards: A treatise on the protection of ...

Sir Oliver Lodge - Science - 1892 - 544 pages
...of the rules does not carry conviction. Thus, in the rule about ' collieries,' it is stated that ' undoubted evidence exists of the explosion of firedamp...electricity being led into the mine by the wire ropes of the shafts and the iron rails of the galleries. Hence, the head gear of all shafts should be protected...
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The Mechanical Engineer's Pocket-book of Tables, FormulŠ, Rules, and Data ...

Daniel Kinnear Clark - Mechanical engineering - 1892 - 656 pages
...the latest period of the works from accidental causes, and often from the carelessness of workmen. Collieries. — Undoubted evidence exists of the explosion...through sparks from atmospheric electricity being led to the mine by the wire rapes of the shaft and the iron rails of the galleries. Hence the head-gear...
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Spon's Architects' and Builders' Price-book with Useful Memoranda and Tables

E. Spon - Building - 1896 - 416 pages
...the latest period of the works from accidental causes, and often from the carelessness of workmen. Collieries. — Undoubted evidence exists of the explosion of firedamp in collieries through the sparks from atmospheric electricity being led into the mine by the wire ropes of the shaft, and...
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The Potash Salts: Their Production and Application to Agriculture, Industry ...

Lorentz Albert Groth - Fertilizers - 1902 - 291 pages
...joined only by a heavy cotton braiding, which prevented the current from passing. Lightning Conductors. Collieries. — Undoubted evidence exists of the explosion...sparks from atmospheric electricity being led into the mines by the wire ropes of the shaft and iron rails of the galleries, hence the head gear of all shafts...
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The Colliery Manager's Handbook

Caleb Pamely - Technology & Engineering - 1904 - 1178 pages
...from a smaller to a larger drum, but not from a larger to a smaller one. " Lightning Conductors. — Undoubted evidence exists of the explosion of firedamp...should be protected by proper lightning conductors, as suggested in the Report of the Lightning Rod Conference, iSSi. " Safety. — Nothing costs too much...
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Modern Lightning Conductors: An Illustrated Supplement to the Report of the ...

Killingworth Hedges - Lightning-conductors - 1905 - 119 pages
...conductors are very numerous, tests can be effected by the provision of test clamps of a suitable design. (14.)— COLLIERIES. Undoubted evidence exists of...should be protected by proper lightning conductors. AB The two methods of running a conductor are illustrated by Fig. 6. A is that recommended in Rule...
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