Author: National Bureau of Standards / Publisher: National Bureau of Standards - Blacklight Search Results

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4971. Electric signal systems. Electric direction signal systems other than semaphore type for commercial and other vehicles subject to special motor-vehicle laws (after market), recorded voluntary standard of the trade.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: 1940
SuDoc number:: C 13.20:80

4972. Enamel. Determination of thickness of acid-resistant portion of vitreous enamel coatings; by William N. Harrison and Leo Shartsis.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: [1940.]
SuDoc number:: C 13.22/a:1315

4973. Enameled ware. Sanitary cast-iron enameled ware, recorded voluntary standard of the trade.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: 1940
SuDoc number:: C 13.20:77

4974. Files and rasps.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: 1940
SuDoc number:: C 13.12/1:6/2

4975. Flares. Liquid-burning flares, recorded voluntary standard of the trade.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: 1940
SuDoc number:: C 13.20:88

4976. Floors and flooring. Portable apparatus for determining relative wear resistance of concrete floors [with list of references]; by Louis Schuman and John Tucker, jr.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: [1940.]
SuDoc number:: C 13.22/a:1252

4977. Frequency (radio). Standards of frequency and musical pitch broadcast by National Bureau of Standards; [revised to] May 1, 1940.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: [1940.]
SuDoc number:: C 13.16:591

4978. Fuel oils, recorded standard of the industry.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: 5th edition. 1940
SuDoc number:: C 13.20:12/5

4979. Galacturonic acid. Improvements in preparation of 8-galacturonic acid; by William Ward Pigman.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: [1940.]
SuDoc number:: C 13.22/a:1325

4980. Gamma rays. Internal absorption of gamma rays in radium-beryllium neutron sources; by Leon F. Curtiss.

Corporate/Agency Authors:: National Bureau of Standards and Commerce Department
Publisher:: National Bureau of Standards
Date:: [1940.]
SuDoc number:: C 13.22/a:1257

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