Call Number (LC) Title Results
C 13.4:452 Slip casting of clay pots for the manufacture of optical glass at the National Bureau of Standards. 1
C 13.4:453 Apparatus for determining water-vapor permeability of moisture barriers. 1
C 13.4:454 Proving rings for calibrating testing machines / 1
C 13.4:455 Flameproofing of textiles / 1
C 13.4:456 Magnetic testing. 1
C 13.4:457 Weights per United States gallon and weights per cubic foot of sugar solutions. 1
C 13.4:458 Chemistry of collagen. 1
C 13.4:459 Announcement of changes in electrical and photometric units. Issued May 15, 1947. 1
C 13.4:460 Publications of the National Bureau of Standards. 1
C13.4..460 Publications of the National Bureau of Standards, 1901 to June 30, 1947. 1
C 13.4:460/supp Supplementary list of publications of the National Bureau of Standards, July 1, 1947, to June 30, 1957 : with subject and author indexes. 1
C 13.4:461 Selected values of properties of hydrocarbons. : Prepared as part of the work of the American Petroleum Institute Research project 44 / 1
C13.4..461 Selected values of properties of hydrocarbons. 1
C 13.4:462 Ionospheric radio propagation. 1
C13.4..462 Ionospheric radio propagation. 1
C 13.4:463 Safety for the household. 1
C13.4..463 Safety for the household. 1
C 13.4:464 Gas calorimeter tables / 1
C13.4..464 Gas calorimeter tables. 1
C 13.4:465 Instructions for the use of basic radio propagation predictions. 1