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Circular of the Bureau of Standards no. 454::proving rings for calibrating testing machines

Published

Author(s)

Bruce L Wilson, Douglas R Tate, George Borkowski
Citation
- NBS CIRC 454
Report Number
NBS CIRC 454

Citation

Wilson, B. , Tate, D. and Borkowski, G. (1946), Circular of the Bureau of Standards no. 454::proving rings for calibrating testing machines, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.CIRC.454 (Accessed April 20, 2024)
Created January 1, 1946, Updated May 19, 2023