The Repertory of patent inventions [formerly The Repertory of arts, manufactures and agriculture]. Vol.1-enlarged ser., vol.40, Volume 81830 |
From inside the book
Results 1-5 of 20
Page vi
... nitric acid on indigo . By Dr. Buff .... .... .... ... ... 375 415 424 , 481 , 542 On the nature , causes , and prevention of the dry rot . By a Corre- spondent .... Description of a new life boat . .... ... On the Siberian ore of ...
... nitric acid on indigo . By Dr. Buff .... .... .... ... ... 375 415 424 , 481 , 542 On the nature , causes , and prevention of the dry rot . By a Corre- spondent .... Description of a new life boat . .... ... On the Siberian ore of ...
Page 371
... nitric acid . An iron bar , which served to raise a valve placed at the bottom of the reservoir , and which was consequently im- mersed in the water , was found covered with a layer of deposit , exhibiting a thickness of 5 or 6 lines in ...
... nitric acid . An iron bar , which served to raise a valve placed at the bottom of the reservoir , and which was consequently im- mersed in the water , was found covered with a layer of deposit , exhibiting a thickness of 5 or 6 lines in ...
Page 380
... nitric acid at 48 ° . ( = 1 · 50 specific gravity , at 55 ° . F. ) : introduce them into a matrass and expose it on a sand - bath over a continued fire , till the silver is perfectly dissolved . Afterward prepare , in a porcelain ...
... nitric acid at 48 ° . ( = 1 · 50 specific gravity , at 55 ° . F. ) : introduce them into a matrass and expose it on a sand - bath over a continued fire , till the silver is perfectly dissolved . Afterward prepare , in a porcelain ...
Page 433
... Nitric Acid on Indigo . * By DR . BUFF . From Annales de Chimie , xxxvii , 160 , and xxxix , 290 . THE action of nitric acid on indigo produces several substances which , in fact , have been already known for a long time , but the ...
... Nitric Acid on Indigo . * By DR . BUFF . From Annales de Chimie , xxxvii , 160 , and xxxix , 290 . THE action of nitric acid on indigo produces several substances which , in fact , have been already known for a long time , but the ...
Page 434
... acid of indigo , and resin of indigo . In the bitter and the acid of indigo , he supposed a peculiar substance combined with the nitric or nitrous acid : the resinous body was composed , according to him , of those two acids and of nitric ...
... acid of indigo , and resin of indigo . In the bitter and the acid of indigo , he supposed a peculiar substance combined with the nitric or nitrous acid : the resinous body was composed , according to him , of those two acids and of nitric ...
Contents
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Other editions - View all
Common terms and phrases
acid angle aperture apparatus applied arch attached axle barytes boat boiler bolt bottom brass caisson calcined carriage Cast Iron cause centre chain bands city of London cock communicated condenser connected construction county of Middlesex cylinder described diameter dry rot edge effect engine experiments fastened feet fixed flue frame friction furnace grooves heat horizontal improvements inclined planes indigo indigo-acid invention latches latter lever liquid liquor lower machine machinery manner manufacture means metal method Middlesex mode months motion move moveable mucilage nitric acid operation paddle wheel pass Patent granted pieces pipe piston placed present pressure produced proper proportion purpose quantity revolving roller round screws shaft shewn ships side sliding specific gravity specification steam steam engine Street substance sufficient sulphate surface temperature timber tion tube upper valve vertical vessel VIII weight wood wrought iron zinc zinc plates
Popular passages
Page 456 - We know now that the underlying principle is the same as in a mercurial barometer : it is the pressure of the atmosphere on the surface of the water in the well that pushes the water up into the pump.
Page 71 - Now Know Ye, that in compliance with the said proviso, I, the said Adolphe Nicole, do hereby declare that the nature of my said Invention, and the manner in which the same is to be performed, are...
Page 651 - 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 ; wherefore I hereby claim to maintain •exclusive right and privilege to my said invention.
Page 264 - Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is (d).
Page 276 - An Improvement in the Modes of Producing an Artificial Stone;' in which said Letters Patent there is contained a proviso obliging me, the said Joseph Aspdin, by an instrument in writing under my hand and seal, particularly to describe and ascertain the nature of my said Invention, and in what manner the same is to be performed...
Page 639 - Walton do hereby describe the manner in which my said Invention is to be performed by the following statement thereof reference being had to the Drawing annexed and to the figures and letters marked thereon that is to say DESCRIPTION OF THE DRAWING.
Page 638 - To all to whom these presents shall come, &c. &c. — Now know ye, that in compliance with the said proviso, I, the said...
Page 241 - ... the bird, and know exactly the proportion each curve, or extension, or contraction, or expansion of any particular part bears to the rest of the body. In a word, you must possess Promethean boldness, and bring down fire and animation, as it were, into your preserved specimen. Repair to the haunts of birds, on plains and mountains, forests, swamps, and lakes, and give up your time to examine the economy of the different orders of birds.
Page 453 - Stead, do hereby declare the nature of the said invention, and the manner in which the same is to be performed, are fully described and ascertained in and by the following statement thereof, reference being had to the drawing hereunto annexed, and to the figures and letters marked thereon...
Page 244 - To avoid this, let your knife be parallel to the body, and then you will divide the outer skin with great ease. Begin on the belly below the breast-bone, and cut down the middle, quite to the vent. This done, put the bird in any convenient position, and separate the skin from the body, till you get at the middle joint of the thigh. Cut it through, and do nothing more there at present, except introducing cotton all the way on that side, from the vent to the breast-bone. Do exactly the same on the...