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le we tend to reason of patents in timer manufacturing for applying apt the mechanical appearances of clock features, Elias Ingraham contributed to the industry by focusing aboard clock cases. He achieved a aggregate of 17 patents from 1857 and 1873 relating to clock cases. Ingraham patented the sophisticated and artistic diagram 8 gate devise namely was a specific of Ingraham clocks.
Elias Ingraham stayed as the mentor) of his business firm until his death in 1885 while his son Edward Ingraham took his area. Edward Ingraham followed in his father’s footsteps and received a patent pertaining to clock cases in 1884. Edward Ingraham invented the technique for accompanying dark enamel draw to clock cases, where enamel paint creates a luster over and flickering arrival when dry. The substantial black mantel clocks that gained great popularity in the late 1800’s and early 1900’s were built by no only the Ingraham enterprise but, also other well-known American clock makers using Edward Ingraham’s patented technique. There are more than 200 styles of Ingraham black mantel clocks constructed up until the 1920’s when they were in fashion.
Much favor other clock suppliers of the era, the Ingraham company introduced pocket watches to their catalogue in 1913, eight-day lever-movement clocks in 1915,and electric clocks in the 1930’s. They roughly began wrist watches in 1932. Watches were made until the 1960’s. Moreover alike to other clock producers, the Ingraham company closed clock convergence during World War II to or service