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Βιβλία Βιβλία 1 - 10 από 13 για ... it all the drilled particles. On this principle I started to establish a new....
" ... it all the drilled particles. On this principle I started to establish a new method of boring. The apparatus is composed of a hollow boring rod, formed of wrought iron tubes screwed end to end : the lower end of the hollow rod is armed with a perforating... "
The Practical Miner's Guide: Treatise on Mine Engineering, Comprisinga Set ... - Σελίδα 185
των John Budge - 1858 - 191 σελίδες
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Iron: An Illustrated Weekly Journal for Iron and Steel ..., Τόμος 45

Perry Fairfax Nursey - 1846
...with it all the drilled particles.' On this principle I started to establish a new method of boring. The apparatus is composed of a hollow boring rod,...perforating tool, suited to the character of the strata which have to be encountered. The diameter of the tool is larger than the diameter of the tubular rod,...

The Chemist, Τόμος 7

1846
...with it all the drilled particles." On this principle I started to establish a new method of boring. The apparatus is composed of a hollow boring rod,...perforating tool, suited to the character of the strata which have to be encountered. The diameter of the tool is larger than the diameter of the tubular rod,...

Journal of the Franklin Institute, Τόμοι 41-42

Franklin Institute (Philadelphia, Pa.) - 1846
...with it all the drilled particles. On this principle I started to establish a new method of boring. The apparatus is composed of a hollow boring rod,...perforating tool, suited to the character of the strata which have to be encountered. The diameter of the tool is larger than the diameter of the tubular rod,...

The American Journal of Science and Arts

1847
...v/ith it all the drilled particles.' On this principle I started to establish a new method of boring. The apparatus is composed of a hollow boring rod,...perforating tool, suited to the character of the strata which have to be encountered. The diameter of the tool is larger than the diameter of the tubular rod,...

Report

British Association for the Advancement of Science - 1847
...with it all the drilled particles.' On this principle I started to establish a new method of boring. The apparatus is composed of a hollow boring rod,...perforating tool, suited to the character of the strata which have to be encountered. The diameter of the tool is larger than the diameter of the tubular rod,...

The Mechanic's Magazine, Museum, Register, Journal and Gazette, Τόμος 45

1846
...with it all the drilled particles.' On this principle I started to establish a new method of boring. The apparatus is composed of a hollow boring rod,...perforating tool, suited to the character of the strata which have to be encountered. The diameter of the tool is larger than the diameter of the tubular rod,...

Report of the Annual Meeting

British Association for the Advancement of Science - 1847
...with it all the drilled particles.' On this principle I started to establish a new method of boring. The apparatus is composed of a hollow boring rod, formed of wrought iron tubeâ screwed end to end : the lower end of the hollow rod is armed with a perforating tool, suited...

Mining Magazine: Devoted to Mines, Mining Operations, Metallurgy & C, Τόμος 7

1856
...paper written by M. Arago, and read by Mr. Vignoles, at the meeting of the British Association in 1640. The apparatus is composed of a hollow boring rod,...hollow rod is connected with a force pump by jointed or flexible tubes, which will follow the descending movement of the boring tube for an extent of some...

The Mining Magazine: Devoted to Mines, Mining Operations ..., Τόμος 7

1856
...written by M. AMITO, and read by Mr. Vignoles, at the meeting of the British Association in 1S4M. Tlie apparatus is composed of a hollow boring rod, formed...hollow rod is connected with a force pump by jointed or flexible tubes, wliicli will follow the descending movement of the boring tube for an extent of some...

The Popular lecturer [afterw.] Pitman's Popular lecturer (and reader), ed ...

Henry Pitman - 1856
...at the meeting of the British Association in 1846. The apparatus is composed of a hollow boring-rod, formed of wrought iron tubes screwed end to end. The...hollow rod is connected with a force pump by jointed or flexible tubes, which will follow the descending movement of the boring tube for an extent of some...




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