Diebold Safe & Lock Co., Canton, Ohio

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After the growth of Diebold's market position in bank vault installations, bank locks, and time locks at the end of the 1890's, Diebold also sought to make significant inroads into the bank alarm system market. Production of Diebold's alarm timers most likely did not begin until after the 1902 takeover of E. Howard by Keystone; hence, all Diebold timers used movements from Seth Thomas.

Most bank security companies in the early 1900's were safe/ lock/ time lock makers or electric alarm system/ alarm timer makers. Unlike these contemporaries, Diebold quickly became a major maker of a full range of bank security systems, including large vaults, high-quality time locks, and electric alarm systems. As was the case with its three and four movement time locks (which were the same basic design and used the same movements), Diebold adopted the same model of seventy-two hour Seth Thomas modular movement that was found in the company's concurrently produced time locks. The alarm timer shown here was one of Diebold's earlier entries into the alarm timer market.

c. 1902. In this example, with its small Bakelite front panel case and curved actuating armature, the Diebold alarm timer was not particularly innovative, but rather represented the apex of alarm timer design prior to modern electronics. This is the same alarm timer as illustrated in American Genius, page 340. (1) file 250                          

 

 

c. 1905. By this time Diebold had begun to put their movements into the standard square cases that were being incorporated into general alarm systems, in particular those made by O.B McClintock of Minneapolis, Minnesota. The square case and three knife switch type contacts were standard configurations across several makers including American Bank Protection Co. 6 3/4"w 6 3/4"h x 3 3/4"d. file 258

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(1) American Genius Nineteenth Century Bank Locks and Time Locks, David & John Erroll, pg. 340