MIDDLETOWN CONNECTICUT

  

William D. Spencer

Tool Makers of
Middletown, Connecticut

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Tools Made: Machinist's tools.

Working Dates: C1888. 

     He was issued patent #379,423 Mar. 13, 1888 for a depth gauge. It was not assigned to any company. It was witnessed by Elihu W.N. Starr of the Starr Mfg. Co.

 

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The gauge has two scales. Marked PAT APL'D FOR.

Patent papers.

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