This lock is a combined consolidated time and HHM combination lock. The time lock was made by Consolidated Time lock Co. Hamilton Ohio.
`This lock has a secret combo to use in case of emergency lockouts.the movement was made by E.Howard & Co., Boston Mass.The lock is a J.L.Hall’s patent Premier.
L6-R5-L4-R3-L2-R to open is the dialing.Factory combo is 10-20-30-40-60