共 50 条
- [21] A comparator-microphotometer JOURNAL OF THE OPTICAL SOCIETY OF AMERICA AND REVIEW OF SCIENTIFIC INSTRUMENTS, 1928, 16 (01): : 63 - 67
- [22] A CIRCUMFERENTIAL RECORDING MICROPHOTOMETER REVIEW OF SCIENTIFIC INSTRUMENTS, 1950, 21 (06): : 573 - 574
- [23] A dichromatic projection microphotometer REVIEW OF SCIENTIFIC INSTRUMENTS, 1932, 3 (10): : 572 - 579
- [24] A microphotometer for spectrochemical analysis INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1941, 13 : 0066 - 0067
- [25] A ROBUST AND INEXPENSIVE MICROPHOTOMETER JOURNAL OF SCIENTIFIC INSTRUMENTS, 1947, 24 (10): : 275 - 275
- [30] A photoelectric microphotometer for photographic densities JOURNAL OF THE OPTICAL SOCIETY OF AMERICA AND REVIEW OF SCIENTIFIC INSTRUMENTS, 1924, 8 (02): : 381 - 387