Micrometer Gage Poster

Micrometer Gage Poster

  • $12.95
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Poster shows a patent drawing of Laroy Starrett's improved micrometer of 1890, which included  a smaller head, a locking device, a "speeder," and a vernier scale. Part of the Machinists' Poster Series. 18" x 24" poster, printed on glossy poster stock.