Journal of the Franklin InstituteVols. 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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Page 62
... after having been partially destroyed by oxidation , may nevertheless have left some traces of its presence in the metallic state . After having examined and discussed with care the origin , characters , structure , and composition ...
... after having been partially destroyed by oxidation , may nevertheless have left some traces of its presence in the metallic state . After having examined and discussed with care the origin , characters , structure , and composition ...
Page 63
Phosporic acid Vanadic acid Oxide of nickel ( with oxide of cobalt ) 0.737 Oxide of iron Manganese 0.619 3.159 1.402 94 : 464 trace 100.381 So far M. Bahr , the original source of whose paper I am unable to . state , as it is not given ...
Phosporic acid Vanadic acid Oxide of nickel ( with oxide of cobalt ) 0.737 Oxide of iron Manganese 0.619 3.159 1.402 94 : 464 trace 100.381 So far M. Bahr , the original source of whose paper I am unable to . state , as it is not given ...
Page 66
The mode of smelting iron consists in mixing the ore with lime and coal ; the former producing a slay or glass with the impurities of the ore , while the coal reduces the oxide of iron to its metallic state .
The mode of smelting iron consists in mixing the ore with lime and coal ; the former producing a slay or glass with the impurities of the ore , while the coal reduces the oxide of iron to its metallic state .
Page 69
Experiments undertaken with this view showed that this end can be attained by adding to the bath a salt of oxide of iron : the best is perchloride of iron . The dyeing takes place in the following manner — The ferridcyanide of potassium ...
Experiments undertaken with this view showed that this end can be attained by adding to the bath a salt of oxide of iron : the best is perchloride of iron . The dyeing takes place in the following manner — The ferridcyanide of potassium ...
Page 104
“ What I claim as my invention is , the application of amorphous zinc oxide as a lining for safes and refrigerators , and as a covering for steam pipes , steam chambers , locomotive boilers , hot - air flues and chambers , in such ...
“ What I claim as my invention is , the application of amorphous zinc oxide as a lining for safes and refrigerators , and as a covering for steam pipes , steam chambers , locomotive boilers , hot - air flues and chambers , in such ...
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