These will fit any BA9 type bayonet bulb (9mm). We probably took them from an old pinball. but could have been any old coin slot machine.
Pinball Bally AS-2518-22 Solenoid A3 board
Pinball Bally AS-2518-22 Voltage Regulator & Driver Board STERN SDU-100 2518-16
6 x Pinball Machine Micro Switch Original Cherry Switches Bally Williams Etc
TWILIGHT ZONE Pinball (Bally) Slotted Clock Opto sensor QVE11233.0086
TWILIGHT ZONE Pinball (Bally) Proximity coil A-16393 Ball Sensor
ADDAMS FAMILY Pinball Bally Motor Thing 14-7966