Journal of the Franklin Institute of the State of Pennsylvania for the Promotion of the Mechanic Arts: Devoted to Mechanical and Physical Science, Civil Engineering, the Arts and Manufactures, and the Recording of American and Other Patent InventionsFranklin Institute, 1828 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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1.–5. rezultāts no 100.
12. lappuse
... inches , and its shortest half an inch wide . This octangular worm , after making six complete turns , assumes a circular shape and di- verges off to pass through the side of the tub ; at its end , outside the tub , which is made a ...
... inches , and its shortest half an inch wide . This octangular worm , after making six complete turns , assumes a circular shape and di- verges off to pass through the side of the tub ; at its end , outside the tub , which is made a ...
17. lappuse
... inches long , and one inch in the bore , which serves both as a support , and a guide , for the seraper rod which slides through it . Fig . 4 gives an external view of that end of the retort where the coke is discharged , and fig . 5 a ...
... inches long , and one inch in the bore , which serves both as a support , and a guide , for the seraper rod which slides through it . Fig . 4 gives an external view of that end of the retort where the coke is discharged , and fig . 5 a ...
28. lappuse
... Inches of Vapour of Atmosphe rie Pressure produced from 1 cub . inch of Liquid 100 ° 175 ° 2129 1 1800 Pressure in Va . 140 215 252 2 $ 600 cuo at the Tem- 180 255 292 4 7200 220 295 332 8 14400 perature 60 ° in inches of Mercu- ry ...
... Inches of Vapour of Atmosphe rie Pressure produced from 1 cub . inch of Liquid 100 ° 175 ° 2129 1 1800 Pressure in Va . 140 215 252 2 $ 600 cuo at the Tem- 180 255 292 4 7200 220 295 332 8 14400 perature 60 ° in inches of Mercu- ry ...
61. lappuse
... inches long , and four inches wide , and by the aid of which millwrights , pattern makers , black- smiths , carpenters , and other mechanics , may be saved the trouble of numerous tedious calculations , or , which is frequently more ...
... inches long , and four inches wide , and by the aid of which millwrights , pattern makers , black- smiths , carpenters , and other mechanics , may be saved the trouble of numerous tedious calculations , or , which is frequently more ...
77. lappuse
... inches and a half diameter , and eigh- teen inches focus , should be four - tenths of an inch thick at the edge of it : the back of the mirror should be convex , to strengthen it , and to cause it to spring , and adhere to the polisher ...
... inches and a half diameter , and eigh- teen inches focus , should be four - tenths of an inch thick at the edge of it : the back of the mirror should be convex , to strengthen it , and to cause it to spring , and adhere to the polisher ...
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acid aperture apparatus appears applied atmosphere bleaching boat boiler boiling borax bottom calcined canal capstan carriages cement centre charcoal chlorine colcothar colour common construction copper County cylinder described diameter drawing edge effect employed engine equal experiments fecula feet fire fixed fluid force Franklin Institute funnel furnace glass gold grain heat holes improvements inches inclined plane invention iron kind lever lime liquid liquor lower machine manner manufacture means melted metal method mill mode mordant motion mould box nitric acid obtained operation oxide Paris pass patent piece pipe piston placed plate portion potash pounds present pressure produced purpose quantity render round screw side steam steam engine stone substance sufficient sulphuric acid surface temperature thick tion tube upper valve vapour velocity vessel washed water wheel weight wheel whole wire wood yellow
Populāri fragmenti
330. 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...
374. lappuse - I do hereby declare this to be my specification of the same; and that I do verily believe this my said specification doth comply, in all respects, fully, and without reserve or disguise, with the proviso in the said hereinbefore in part recited letters patent contained.
276. lappuse - ... to the author of any important discovery or useful improvement in light or in heat, which shall have been made and published by printing, or in any way made known to the public, in any part of the continent of America, or any of the American islands ; preference being always given to such discoveries as shall, in the opinion of the Academy, tend most to promote the good of mankind...
103. lappuse - They shall call the people unto the mountain; there they shall offer sacrifices of righteousness: for they shall suck of the abundance of the seas, and of treasures hid in the sand.
112. lappuse - Buchanan that the same quantity of human labour employed in working a pump, turning a winch, ringing a bell, and rowing a boat, are as the numbers 100, 167, 227, and 248. The most advantageous manner of applying human strength is in the act of rowing.
102. lappuse - The painting should be very highly finished; otherwise, when varnished, 'the tints will not appear united. " When the painting is quite dry, with rather a hard brush, passing it one way. varnish it with white wax, which is put into an earthen...
66. lappuse - Esq. in consequence of a communication made to him by a certain foreigner residing abroad, for an invention of certain improvements in machinery for the purpose of spinning wool, cotton and other fibrous substances.
375. lappuse - Derosne, do hereby describe the manner in which the said invention is to be performed, by the following description thereof, (that is to say...
333. lappuse - And it is hereby enacted and declared, that simply changing the form or the proportions of any machine, or composition of matter, in any degree, shall not be deemed a discovery.
331. lappuse - ... in such full, clear, and exact terms, as to distinguish the same from all other things before known, and to enable any person skilled in the art or science, of which it is a branch, or with which it is most nearly connected, to make, compound, and use the same.