2 Flow Corporation CTA3 hot wire anemometers, 4835-C linearizer, 4681, w/ probes

Description

Flow Corporation equipment lot:
(2) model CTA3 hot wire anemometers
4835-C linearizer
4681 hot wire anemometer probe selector
(2) hot wire anemometer probes
Pair of model CTA3 Hot Wire Anemometers (Constant Temperature Anemometer)
Power lights turn on when power switch turned on
3 knobs that are stuck (in red circles in pictures)
1 knob that has a limited range of motion, only goes to the right half of options (in yellow circle in picture)
Model 4835-C Linearizer
Powers on and the light turns on, current needle moves at beginning, untested beyond that
The Range knob appears to be stuck on 1, the other knobs move freely
Model 4681 Hot Wire Probe Selector
3 knobs stuck or feel like they're slipping on shaft.  Only the fourth one appears to move properly
Pair of hot wire anemometer probes
Appear to be in good condition, probe tips all look good
Willing to separate.  Send me a message for shipping, the pair of CTA3's are pretty heavy, at least 60 pounds.