Circuit diagram of mercury vapor detector, mu a, microamperes. Figure 1.a Northwest ... A 6201 vacuum tube, a ruggedized version of a 12AT7 with low microphonics, is connected as a differential amplifier. The overall circuit voltage isanbsp;...
|Title||:||Effects of the Truckee, California, Earthquake of September 12, 1966|
|Author||:||Reuben Kachadoorian, R. F. Yerkes, Arvi O. Waananen|