Subject-matter index of patents applied for and patents granted, by B. Woodcroft

Forsideomslag
1865 - 24 sider
 

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Side 109 - Improvements in the manufacture and construction of fences, part of which are also applicable to the manufacture and construction of gate posts, and to poles and posts used for telegraph and signal purposes, and for stretching telegraph wires. A new system of fastening for doors, windows, \ safes, chests and other similar purposes
Side 334 - Improvements in the manufacture (by the introduction of cocoa nut husk or part thereof) of a substitute for ordinary felt and kamptulicon, and in utilizing said cocoa nut husk or part thereof for packing of wine coolers, refrigerators and ice chests, and caulking of ships and vessels.
Side 9 - Improvements in apparatus for containing and distributing gas for lighting railway carriages, steamboats, and other moveable vehicles and vessels, railway stations and other places, parts of such apparatus being suitable for governing the supply of gas and air for various purposes.
Side 246 - Improvements in apparatus for containing and distributing gas for lighting railway carriages, steam-boats and other moveable vehicles and vessels, railway stations and other places, parts of such apparatus being suitable for governing the supply of gas and air for various purposes.
Side 121 - Improvements in the treatment and purification of plumbago for the manufacture of crucibles and other fireproof articles, and in apparatus employed therein. Improvements in the means of communicating signals on board ship, on railways and for other purposes.
Side 326 - Improvements in machinery for digging, compressing and moulding peat or turf, and for retorts and kilns for drying peat or turf, and making peat or turf charcoal, through the agency of hydrocaloric or superheated steam, and for collecting the products of distillation whilst charring the peat or turf.
Side 75 - Improvements in machinery for digging, compressing and moulding peat or turf, and for retorts and kilns for drying peat or turf, and making peat or turf charcoal, through the agency of hydro-caloric or superheated steam, and for collecting the products of distillation whilst charring the peat or turf.
Side 275 - An improved means for the protection and preservation of lead surfaces exposed to the action of water, and for the protection of such surfaces from decomposition by atmospheric action. (Communicated by Professor Dr. Henry Schwarz.)
Side 432 - Improvements in the manufacture and construction of fences, part of which are also applicable to the manufacture and construction of gate posts, and to poles and posts used for telegraph and signal purposes, and for stretching telegraph wires.
Side 303 - An improved means for the protection and preservation of lead surfaces exposed to the action of water, and for the protection of such surfaces from decomposition by atmospheric action. (Communicated by Professor Dr. Henry

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