DATE Dec 19 1947 CASE No. 3P139-7 Two points on surface of this unit less than 1/64" apart 1 wire 100 + 10⁶ ohms 2 point 100 + 2x10⁶ ohms very little sensitivity Dec 24 1947 Using the Ge surface (see top of page 197 N.B. 18194 and the gold contacts according to B.A. 240026 the followimng circuit was set up with Vg ~ 3 volts Vp = 90 volts Ig ~ 4x10^-4i amps Ip ~ 4.5x10^-4 amps the above being D.C. values