共 50 条
- [1] The "acid-alkalimeter"; A direct-reading pH meter JOURNAL OF THE OPTICAL SOCIETY OF AMERICA AND REVIEW OF SCIENTIFIC INSTRUMENTS, 1928, 17 (01): : 59 - 71
- [2] Direct-reading frequency meter PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1931, 19 (04): : 0659 - 0663
- [4] DIRECT-READING FREQUENCY METER JOURNAL OF THE SOCIETY OF MOTION PICTURE ENGINEERS, 1945, 44 (04): : 257 - 262
- [7] A direct-reading decremeter and wave meter PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1915, 3 (01): : 29 - 53
- [8] A DIRECT-READING ACOUSTICAL IMPEDANCE METER JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1956, 28 (01): : 156 - 156
- [9] Direct-Reading Light Flux Meter JOURNAL OF THE SOCIETY OF MOTION PICTURE & TELEVISION ENGINEERS, 1951, 57 (01): : 28 - 32
- [10] A SIMPLE DIRECT-READING FRICTION METER JOURNAL OF SCIENTIFIC INSTRUMENTS, 1953, 30 (10): : 345 - 349