Yale & Towne Manufacturing Co., Stamford, Connecticut - 3 movements, Type T361 & special, L5, K3L

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A. Type T361 - special c. 1910's. A rare dual purpose time lock. Less than fifty were made with this being the only known example. This timer contains two conventional Seth Thomas 72 hour Type T movements and one modified Type T movement that has a 7 hour duration. Type T movements were the smallest coffin style movements made for Yale. A day/night switch is provided to engage the 7 hour movement during the day time hours. This lock would fulfill two functions. The first to act as a normal overnight/weekend time lock and the second to secure the vault for short period of times during the day. the 7 hour timer could be set for intervals as short as 15 minutes. Case #242. The first two movements consecutively numbered T2494, T2495, special timer movement T2445. To see another Yale with modified Type T movements click here. This is the only example currently known.        4 1/4" w x 4 1/8" h x 2 3/4" d. file 8

B. Type T361, c. 1910. This lock is equipped with Yale's smallest production movements the 'T'. Yale began to introduce its brass machine finished case to replace the earlier nickel plated damascened case around 1908. The lock was reputedly removed from a bank in Hawaii in 1941. Case #109. Movements # T207, T475, T481. file 146

C. Type T361, c. 1920. Same as 'B' but a bit later version using the satin silver finish. Case #271, movements consecutively numbered T2988, T2989 and T2990. 4 1/4" w x 4 1/8" h x 2 3/4" d. file 86

D. Type L5 with consecutively numbered Seth Thomas movements. Case #6524, movement #27384, #27385, #27386. file 53

E. Type ? This lock is equipped with a spring loaded mechanism (a bolt motor) to automatically release the vault door locking bolts when the timer runs down. The spring loaded mechanism that drives the release is wound through the hole on lower left corner of the time lock. Case #14, Uses Type L consecutively numbered movements #4989, 4990, 4991. 5.75" w x 5.25" h x 2.75" d. file 98

F. c. 1950's. Type K3L with consecutively numbered L sized Swiss-made movements. The movements were manufactured for and distributed by Herman D. Steel, Co., Philadelphia, PA. and sold to Yale before Yale sold its time lock division to Diebold. In the later half of the 20th century many manufacturers cut costs by dispensing with the metal door and replacing it with a screwed on plastic cover; often with integral lenses for easier reading of the dial. c. 1950's or later. file 57