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- [4] A line-operated vacuum-tube voltmeter INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1935, 7 : 0341 - 0342
- [5] A MEAN-SQUARE VACUUM-TUBE VOLTMETER PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1952, 40 (02): : 215 - 215
- [7] A PRECISION HIGH VOLTAGE VACUUM-TUBE VOLTMETER REVIEW OF SCIENTIFIC INSTRUMENTS, 1948, 19 (07): : 450 - 452
- [9] Vacuum-tube voltmeter for measuring high negative potentials REVIEW OF SCIENTIFIC INSTRUMENTS, 1943, 14 (08): : 254 - 254
- [10] A VACUUM-TUBE CURRENT INTEGRATOR OF IMPROVED DESIGN REVIEW OF SCIENTIFIC INSTRUMENTS, 1949, 20 (04): : 323 - 323