Here is a 20K ohm pot from Allen Bradley. This pot is LINEAR. very smooth.
OneNos RCR42G433JS Genuine Allen-Bradley 43k 2Watt 5% Mil-Spec Carbon Comp Resistor(1).
1K 1000 OHM 1/2 WATT 20% ALLEN BRADLEY TUBE AMPLIFIER MIXER AMP RESISTOR. 1K OR 1000 Ohms, 1/2 watt. ALLEN BRADLEY,1K Ohm 1/2 WATT @ 20% RESISTOR. High quality Carbon resistor. Made in USA by Allen Bradley.
12AU7 has a center value of gain 17 on this tube tester. Gain in Mu, Conductance (Gm) in umho. ( Tube tester not included ).
X-36671 Movable Contact. For size 3 starters and contactors. New condition.