共 50 条
- [1] A direct-reading frequency meter suitable for high speed recording REVIEW OF SCIENTIFIC INSTRUMENTS, 1935, 6 (02): : 43 - 46
- [2] A DIRECT-READING MICRODENSITOMETER JOURNAL OF SCIENTIFIC INSTRUMENTS, 1953, 30 (08): : 268 - 270
- [6] DIRECT-READING WAVEMETERS PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1947, 35 (02): : 179 - 179
- [7] A SIMPLE DIRECT-READING FLUXMETER JOURNAL OF SCIENTIFIC INSTRUMENTS AND OF PHYSICS IN INDUSTRY, 1949, 26 (02): : 40 - 42
- [8] A DIRECT-READING PHOTOELECTRIC DENSITOMETER JOURNAL OF THE SOCIETY OF MOTION PICTURE ENGINEERS, 1939, 33 (04): : 403 - 409
- [10] Direct-reading frequency meter PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1931, 19 (04): : 0659 - 0663