Original beveled glass and original finish on case.
Clock: Master clock model 40
Movement number: 5366-M
Power: Mainspring, wound by solenoid every minute.
Voltage: 20v DC
Original installation and regulation instructions and regulating records from 1937 to 1949 are inside the case. Seconds chapter ring is cut allowing view of the escape wheel.
Click on picture at right to view installation and regulating instructions.