Up for sale is an EDO-AIRE MITCHELL 1C508-1-298P   Autopilot Pitch Servo.   Technical info is as follows:

P/N:  1C508-1-298P

S/N: 2570A

MODS: None

Volts: 13.75 27.5 VDC

The unit was in working condition when removed.  If you have any questions, please feel free to ask! Happy buying!