The London journal of arts and sciences (and repertory of patent inventions) [afterw.] Newton's London journal of arts and sciencesWilliam Newton 1841 |
No grāmatas satura
1.–5. rezultāts no 48.
33. lappuse
William Newton. under steam pressure of from fifty to seventy pounds on the square inch , for three or four hours , and is then dis- charged from the boiler , and cooled down . From this a silicate of soda or of potash is obtained ...
William Newton. under steam pressure of from fifty to seventy pounds on the square inch , for three or four hours , and is then dis- charged from the boiler , and cooled down . From this a silicate of soda or of potash is obtained ...
41. lappuse
... inches in width shall weigh from 14 to 16 ounces avoirdupoise , is the most suitable . If the cards to be manufactured , are intended for fillet cards , the cloth is next to be torn up lengthwise of the piece , into strips of a suitable ...
... inches in width shall weigh from 14 to 16 ounces avoirdupoise , is the most suitable . If the cards to be manufactured , are intended for fillet cards , the cloth is next to be torn up lengthwise of the piece , into strips of a suitable ...
48. lappuse
... inches wide by 24 inches thick , in such manner that each plank makes two boards , the one tapering from its centre towards the edges , the other from its edges towards the centre . The hol- low boards are laid side by side , at ...
... inches wide by 24 inches thick , in such manner that each plank makes two boards , the one tapering from its centre towards the edges , the other from its edges towards the centre . The hol- low boards are laid side by side , at ...
49. lappuse
... inch oak planks which had been prepared with copperas ; and on examining them in May , 1840 , they were found to be as much attacked by the worm as the worst specimens of unpre- pared fir timber which had been exposed for a similar ...
... inch oak planks which had been prepared with copperas ; and on examining them in May , 1840 , they were found to be as much attacked by the worm as the worst specimens of unpre- pared fir timber which had been exposed for a similar ...
51. lappuse
... inch of surface , this loss referred to a standard bar , and the weight of water absorbed for clear sea water — com ... inch thick , and reduced to one common or equal period of immersion . Table VII . shows the average loss of all ...
... inch of surface , this loss referred to a standard bar , and the weight of water absorbed for clear sea water — com ... inch thick , and reduced to one common or equal period of immersion . Table VII . shows the average loss of all ...
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Bieži izmantoti vārdi un frāzes
air vessels alumina applied April-6 months attached axis bars Bennett Woodcroft blocks boiler bolt bottom carriage cast-iron caustic soda chamber cloth coal gas colour communication.-Sealed conj construction cylinder described displacing vessels drawing drawing rollers effect engine February-6 months feet frame furnace heat hinge improvements in machinery inches Inrolment Office invention consists iron letters patent lever locomotive Lord Brougham machine machinery or apparatus manner manufacture March-6 months means ments metal mode months for inrolment motion moulds nitrous acid obtained operation ordinary passes patent Perpigna pieces pins pipe piston placed plate plough pressure printing produced purpose quantity rack rack-box rails raised represented in Paris rods rollers Rolls Chapel Rolls Chapel Office rotary Sealed shaft shew shewn in fig side silk sliders sliding soda specific gravity specification steam steam-engines sulphuric acid surface threads tion tubes upper warp weft weight wheels XVIII yarns
Populāri fragmenti
426. lappuse - That any person or persons having discovered or invented any new and useful art, machine, manufacture, or composition of matter, or any new and useful improvement on any art, machine, manufacture, or composition of matter...
45. lappuse - The plaintiff had obtained a patent for " an invention of improvements in cards, for carding wool, cotton, silk, and other fibrous substances, and for raising the pile of woollen cloths.
347. lappuse - Arabia. Contiguous to it is a mountain which stretches towards Memphis, and contains quarries of stone. Commencing at the foot of this, it extends from west to east, through a considerable tract of country, and where a mountain opens to the south, is discharged into the Arabian gulph.
387. lappuse - the city of Glasgow, in the county of Lanark, merchant, and JOHN GIBSON, of the same city and county, throwster, for an invention of " a new or improved process or manufacture of silk, and silk in combination with certain other fibrous substances.
414. lappuse - ... ensure strength without the usual corresponding increase of weight. Mr. George Mills, from his experience as a ship-builder, at Glasgow, was enabled to confirm all that Mr. Seaward had advanced. On the Clyde, the employment of an excess of power in steam vessels had been carried to the greatest extent, without producing corresponding advantages, either for speed, or in a commercial point of view. It would appear that the same error had, to a certain degree, been committed on the Thames, but less...
22. lappuse - Having thus described the nature of my invention, and the manner of performing the same, I would have it understood that I do not confine myself to the...
295. lappuse - Having now described the nature of my invention, and the manner in which the same is to be performed, I would have it understood that I...
417. lappuse - Western," so as to be enabled to compare them with those of the Halifax Packets, which had been promised by Mr. George Mills. He would impress upon manufacturers of marine engines the necessity of adopting a correct and uniform nomenclature of the power placed on board steam vessels. The nominal selling power did not accord with any calculation. Mr. Field believed the Table of Velocities calculated by Mr. Mr. Field. Seaward to be very nearly accurate. The speed of the " Great Western," when loaded...
289. lappuse - improvements in raising water from mines and other deep places, or from a lower level to a higher, which improvements are applicable to raising liquids generally, and to other purposes...
349. lappuse - Whether the description contained in the said specification is not such as to enable workmen, of ordinary skill, to make machinery or apparatus capable of producing the effect set forth in the said letterspatent and specification ? 3.