London Journal of Arts, Sciences and Manufacturers, and Repertory of Patent Inventions, Volum 40William Newton, Charles Frederick Partington W. Newton, 1852 |
Andre utgaver - Vis alle
London Journal of Arts, Sciences and Manufacturers, and Repertory ..., Volum 2 William Newton,Charles Frederick Partington Uten tilgangsbegrensning - 1833 |
London Journal of Arts, Sciences and Manufacturers, and Repertory ..., Volum 25 William Newton,Charles Frederick Partington Uten tilgangsbegrensning - 1844 |
London Journal of Arts, Sciences and Manufacturers, and Repertory of Patent ... Uten tilgangsbegrensning - 1853 |
Vanlige uttrykk og setninger
acetic acid action alumina apparatus application April-6 months arrangement axle bitumen bleaching boilers caissons carried civil engineer color comb combination conj connected construction county of Middlesex crank cylinder December-6 months described dextrine Edward Newton effect electric telegraph employed engine Exhibition fabrics February-6 months flax flues frame furnace George Fergusson gutta-percha heat horizontal improvements in machinery Impts inches invention consists iron January-6 months lever lime machine malt manner manufacture March-6 months material means ments metal Middlesex mode months for inrolment motion obtained Office for Patents opening operation ordinary oxide papier-maché pass patent patentee claims phosphorus pinion pipe piston placed plate present pressure produced purpose quantity rails railway ratchet-wheel roller screw Sealed 8th shaft shew shewn at fig side slide specific gravity steam substances sugar sulphuric acid surface teeth temperature tion tube valve vertical vessel wheel wire wool wort zinc
Populære avsnitt
Side 221 - This fusel oil, distilled with sulphuric acid and acetate of potash, gives the oil of pears. The oil of apples is made from the same fusel oil by distillation with sulphuric acid and bichromate of potash. The oil of pine-apples is obtained from a product of the action of putrid cheese on sugar, or by making a soap with butter, and distilling it with alcohol and sulphuric acid, and is now largely employed in England in the preparation of the pine-apple ale. Oil of grapes and oil of cognac...
Side 188 - The incasement of this wire with bitumen may also be effected by covering it with a filamentous material, which has been previously saturated with melted bitumen, and then passing the wire so covered through a heated die or orifice, so as to melt or soften the bitumen upon the filamentous material, and press the whole of the coating against the wire in such a way as to cause it to form one compact continuous covering of the wire, and thus insure its insulation.
Side 151 - ... by the thread. The work is then continued from one thread to another, the silkworm moving its head and spinning in a zigzag way, bending the fore part of the body back to spin in all directions within reach, and shifting the body only to cover with silk the part which was beneath it. As the silkworm spins its web by thus bending the fore part of the body back, and moves the hinder part of the body in such a way only as to enable it to reach the farther back with the fore part, it follows that...
Side 32 - begin to wet at any other time than between the hours of eight in the morning and two in the afternoon...
Side 57 - Art was the mother of science: the vigorous and comely mother of a daughter of far loftier and serener beauty. And as it had been in the period of scientific activity in the ancient world, so was it again in the modern period in which science began her later growth. The middle ages produced or improved a vast body of arts. Parchment and paper, printing and engraving, glass and steel, compass...
Side 409 - The weight of the whole is as much as two workmen can easily manage. They seat themselves upon, or close to the stone they are to polish, and by moving the block backwards and forwards between them, the polish is given by the friction of the mass of wax and corundum.
Side 61 - There the multitude produce only to give splendour and grace to the despot or the warrior, whose slaves they are, and whom they enrich ; here the man who is powerful in the weapons of peace, capital, and machinery, uses them to give comfort and enjoyment to the public, whose servant he is, and thus becomes rich while he enriches others with his goods.
Side 208 - ... twenty-six years, without the slightest alteration in their particular qualities ; and so well is this fact known and appreciated by British naval officers in general, that few vessels now leave our ports without at least a proper supply for cabin use. It was found by Sir John Ross that a number of those cases of these preserved provisions left for many years upon Fury beach and exposed to excessive variations of temperature, were, nevertheless, perfectly sound and wholesome as food when opened....
Side 363 - ... ground or mixed at a time, and adds from 2 oz. to -*- a pound of the sulphite or hyposulphite of lead or zinc and . the artificial sulphuret of lead or zinc, in about equal proportions of each, together with from 2 to 12 oz. of Paris white or powdered chalk ; and he grinds the whole between heated rollers, and treats the mixture in the manner set forth in the specification of his patent of February 8th, 184:7, for "improvements in treating caoutchouc with other materials, to produce elastic and...
Side 164 - Westminster, civil engineer, for their invention of improvements in the manufacture of gas for the purposes of illumination ; and of improvements in the purification of gas ; and of improved modes of treating the products arising from the manufacture of gas.