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ing electrode is a platinumiridium needle that
Damping windtunnel turbulence 1
have for many years turned to the Bureau for advanced Vt ar Department awards 8
acid alloys alumina apparatus applied atomic atomic clock Basic Radio Basic Radio Propagation betatron bone char boron Bureau of Standards calibration calorimeter cents ceramic chemical chlorite circuit coil computing corrosion cylinder determined developed device effect electrical electrodeposited electrolytic electronic enamel engineering equipment experimental field film frequency fuze glass heat hydrochloric acid inch indicated industry instrument investigation ionosphere isotopes Journal of Research laboratory lens Letter Circulars magnetic materials measurements mechanical ment mercury metal meter method National Bureau NBS publications obtained operation optical oscillator paper percent plastic plate pressure produced properties proximity fuze pulses radiation Radio Propagation Radio Propagation Predictions resin resistance rubber sample scale Screw Thread sodium sodium chloride solution specific specimen steatite steel structure sunspot Superintendent of Documents Supersedes surface Technical News Bulletin temperature tion transmitter tube units viscosity voltage Washington 25 wire X-ray X-ray diffraction