Journal of research. Bureau of Standards journal of research, v. 2, Feb. 1930; v. 4, no. 2.
Publication Title:
Journal of research. Bureau of Standards journal of research, v. 2, Feb. 1930; v. 4, no. 2.
Display Title:
Journal of research. Bureau of Standards journal of research, v. 2, Feb. 1930; v. 4, no. 2.
Corporate Agency Authors:
Standards Bureau and Commerce Department
Sort Author:
Standards Bureau
Date:
1930
Publish Date ISO Format:
1930-01-01T00:00:00Z
Publication Start:
19300101
Publication End:
19301231
Corporate/Agency Author:
Standards Bureau
Publication month:
13
Publication year:
1930
SuDoc number:
C 13.22:4/2
Description:
[2]+177-327 p. il. 3 pl. 4 p. of pl.
Notes:
[Monthly.]
Notes:
[Monthly.] * For Sale by Superintendent of Documents. Paper, 40c. (single numbers vary in price); $2.75 a yr.; foreign subscription, $3.50.
Notes:
CONTENTS.—RP140, Standards for testing magnetic permeameters; by Raymond L. Sanford.—RP141, Ultra-violet reflecting power of aluminum and several other metals; by W. W. Coblentz and R. Stair.—RP142, Ring and ball method of test for softening point of bituminous materials, resins, and similar substances; by Percy H. Walker.—RP143, Rayon as paper-making material; by Merle B. Shaw and George W. Bicking.—RP144, Precision method of calibrating tuning fork by comparison with pendulum; by Charles Moon.—RP145, Principles of measurement and of calculation in their application to determination of diophantine quantities; by Edward W. Washburn.—RP146, Durability tests of spar varnishes [with list of references]; by C. L. Came.—RP147, New dead-weight testing machine of 100,000 pounds capacity; by L. B. Tuckerman, Herbert L. Whittemore, and Serge N. Petrenko.—RP148, Applying visual double-modulation type radio range to airways; by H. Diamond.—RP149, Absorption of sound at oblique angles of incidence; by P. R. Heyl, V. L. Chrisler, and W. F. Snyder.—RP150, Sensitivity of galvanometer as function of its resistance; by H. B. Brooks.—RP151, Heat capacities in some aqueous solutions; by Frederick D. Rossini.
Availability:
* For Sale by Superintendent of Documents. Paper, 40c. (single numbers vary in price); $2.75 a yr.; foreign subscription, $3.50.