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Knight's Mechanical Encyclopedia (ed. Knight) 4 0 Browse Search
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. 10, 1867. 69,941J. Snider, Jr.Oct. 15, 1867. 72,849H. HammondDec. 31, 1867. 73,357J. E. McBethJan. 14, 1868. 74,712W. MorgensternFeb. 18, 1868. 74,737J. WerndlFeb. 18, 1868. 74,888C. CallaghanFeb. 25, 1868. 80,985J. E. McBethAug. 11, 1868. 84,922E. Von JeinsenDec. 15, 1868. 84,929E. AllenDec. 15, 1868. 84,938J. R. CooperDec. 15, 1868. 85,268Belden and CrabtreeDec. 29, 1868. 104,223W. SoperJune 14, 1870. *112,127J. DavisFeb. 28, 1871. 112,589H. HammondMar. 14, 1871. 118,171J. B. WayneAug. 15, 1871. 118,569J. W. WilkinsonAug. 29, 1871. *122,182T. LeeDec. 26, 1871. *128,671C. R. StickneyJuly 2, 1872. 129,115G. H. EarnestJuly 16, 1872. 38,711J. P. TaylorMay 6, 1873. 4. (b.) Having the Form of a Rotating Sleeve. *7,496Percival and SmithJuly 9, 1850. 16,070G. SchaeffeNov. 11, 1856. 5. In Form of a Faucet or Spigot. (a.) Having Chamber in the Faucet. *6,945A. D. PerryDec. 11, 1845. *10,520F. CookFeb. 14, 1854. *19,553A. C. FaivreMar. 9, 1858. 20,776B
rticle, after being molded or coated with the compound, is placed in a receiver and subjected to a pressure of twelve atmospheres: a greater pressure may, however, be employed without injuring the material. The receiver has an aperture for removing the vapor-charged air; the time occupied in absorbing the moisture from the material depends on the amount of air passed through the receiver; usually it is ready for removal to the drying-chamber in about 36 hours. In the process of Deitz and Wayne, ramie fiber is employed this is treated in a manner similar to cotton. A smaller quantity of solvent is required for making collodion from this fiber than from cotton, the proportions being about 3 pounds of ether and 12 fluid ounces of alcohol to each pound of prepared ramie. By the addition of 2 to 10 per cent of gum sandarach (dissolved) and 15 per cent of castor oil, the compound is rendered more elastic and less subject to shrinkage in drying. The substances are thoroughly incorpo