Values for the components in L. Ron Hubbard's e-meter patent application. (Data courtesy of Jeff Lee.) Batteries: B1 1.5 volts B2 6 volts Transistors: TR1, TR2 and TR3 - PNP type 0C70 Resistors: R1 22K R2 5K pot (also listed as "51 ohm pre-set variable resistor") R3 No value given R4 6.8 ohm (but drawn as a variable resistor) R5 20K pot R6 2.2K R7 4.7K R8 470 ohm R9 Listed variously as 1 megaohm, 2.2 megaohm, and open circuit. R10 5K R11 5.6K R12 43K R13 5K (specified as a "5K ohm pre-set variable resistor") R14 22K R15 22K R16 5K reverselog variable R17 4.7K R18 22K Meter: M1 Moving-coil meter capable of reading from 0 to 100 microamps at full scale deflection.