* For Sale by Superintendent of Documents. Paper, 25c. single copy, $1.00 a vol. (4 nos.).
Notes:
CONTENTS.—Silver voltameter: pt. 1, 1st series of quantitative experiments; by E. B. Rosa and G. W. Vinal.—Silver voltameter: pt. 2, Chemistry of filter paper voltameter and explanation of striations; by E. B. Rosa, G. W. Vinal, and A. S. McDaniel.—Diffuse reflecting power of various substances; by W. W. Coblentz.
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* For Sale by Superintendent of Documents. Paper, 25c. single copy, $1.00 a vol. (4 nos.).