* For Sale by Superintendent of Documents. Paper, 25c. single copy, $1.00 a vol. (4 nos.).
Notes:
CONTENTS.—Production of temperature uniformity in electric furnace; by Arthur W. Gray.—Silver voltameter: pt. 4, 3d series of quantitative experiments and special investigations; by B. B. Rosa, G. W. Vinal, and A. S. McDaniel.—Influence of atmospheric conditions in testing of sugars; by Frederick Bates and Francis P. Phelps.— Flame standards in photometry; by E. B. Rosa and E. C. Crittenden.
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* For Sale by Superintendent of Documents. Paper, 25c. single copy, $1.00 a vol. (4 nos.).