Call Number (LC) Title Results
C 13.4:466 American standard specification for dry cells mid batteries, Leclanche type.
American standard specification for dry cells and batteries (Leclanché type) / 		2
C13.4..466 American standard specification for dry cells mid batteries, Leclanche type. 1
C 13.4:467/ Atomic energy levels as derived from the analyses of optical spectra. 1
C 13.4:468 Printed circuit techniques / 1
C 13.4:469 Optical glass at the National Bureau of Standards / 1
C 13.4:470 Precision resistors and their measurement. 1
C13.4..470 Precision resistors and their measurement. 1
C 13.4:471 Spectral-transmissive properties and use of eye-protective glasses / 1
C13.4..471 Spectral-transmissive properties and use of eye-protective glasses. 1
C 13.4:472 Table and Mollier chart for ammonia below -60° F / 1
C13.4..472 Table and Mollier chart for ammonia below -60 degrees F. 1
C 13.4:473 Measurement of radioactive isotopes. 1
C13.4..473 Measurement of radioactive isotopes. 1
C 13.4:475 Establishment and maintenance of the electrical units. 1
C 13.4:476 Measurements of radioactivity. 1
C 13.4:477 Testing of hydrometers / 1
C 13.4:478 Colorimetry / 1
C 13.4:479 Unified screw thread standards / 1
C 13.4:480 Fundamental techniques in the frequency adjustment of quartz crystals / 1
C 13.4:481 High-frequency voltage measurement. 1