Journal of the Franklin Institute, Volume 181Pergamon Press, 1916 - Electronic journals 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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absorption acid ammonia amount anemometer animal apparatus appear atmosphere body Bureau calcium calcium oxalate carbon cells cent chemical Chicago coal coke color Company compounds copper ctenophores curve determined diameter distal ducts electric Engineering epithelium experiments filament flotation flux Franklin Institute furnace gland heat hysteresis inches increase industry investigation iron laboratory lamp layer lens light organs light-cells loss luciferine luminosity luminous magnesium magnetic manufacture mass material measured mechanical metal method millimetres mineral mixture mycelium nitric acid nitrogen obtained operation oxide paper Philadelphia photophores plant plate platinum Portland cement practice present production pulp filter radiation Report salt scale shown silicate silicon steel smoke soil solution steam steel strontium structure substances sulphur surface Table temperature tion tissues tons tricalcic silicate tube tungsten vapor velocity wave-length wire zinc