(SHW)
N16S15001 Collins Radio ART-13 "Collins Autotune" 20 turn mechanical counter from 1954!! Frequency Tuning for WWII ART-13. Electrical end switches each end of travel. 3-3/4"W x 3"H x 3-1/2" deep behind. New in sealed boxes!! See enlarged images for the incredible craftsmanship.
(SHW) 901-2-0 Beckman / Helipot turns counting dial.
Graduated 4" dial
numbered 0-900. Wrinkle finish. 3-3/8" diameter inner dial, plastic with
transparent edge for
hash mark alignment. 2-3/16" diameter inner knob with spinner finger hole. NSN:
5355-00-644-3956. BRAND NEW in boxes!!
• Readability over 10 turns -
1/1000th of a turn
• Mounting: 4" diameter threads onto 3/8" bushing from pot or capacitor. Slide dial
/ knob into place and secure set screws.
• Made in 1967
• 91 - 2.5 gears
(SHW) TCV Finally, an affordable high quality turns counter suitable
for many applications. 1/4" shaft coupling at rear. Counts to 9999.9 for precise
control of variable inductors. Guaranteed satisfaction. Manufactured to our specification.
Professional quality. Mil-spec crank knob facilitates quick advance rotation or fine
tuning fingertip control. Unit measures 2-1/4" x 3-1/2". Requires 1" x
3" hole in equipment for mechanics. Screws included.
Don't be misled by cheap knock off copies of our counter selling for a lower price. Our counter will not skip turns such as the copycat is sure to do. In addition, lateral movement and slippage will not occur in our counter. As usual, you get what you pay for!
Turns Counter
25:1 Reduction
(SHW) 7761552 General Electric counting dial mounts behind
front panel with three screws. Cutouts for fine thumb adjustment, lock knob and '0-25'
graduated 180 degree readout required. Front and rear views. Includes HV ceramic shaft
coupling with1/4" shaft. Used / removed.