Snelling, Henry Hunt, 1816-1897 · [New York : W.B. Smith] · leaf 22
rom La Lumiere by Ambrose Andrews. T$Cf* August 25, 1852.Y Dear Lacan-—Ihasten to give you theresults of the analysiswhich I have just madeof so me English collodi-on The specimen uponwhich I have operatedcame direct from Eng-land, and no doubt can arise as to>*jf its origin. This collodion is… … Flask of collodion,The flask alone, Collodion, 28.18413.786 12.398 The same volume of water at 20 deg.centigrade weighs 16. L15 whence 1^5 = 0.769 16.150 for the density of the English collodion. To find the proportion of pyroxylinewhich it contained, 1 took a certain volumeof it, in a graduating…
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