Date made
circa 1894Notes
Lavigne Micrometer Co. New Haven, CT
Pat. Feb. 20, 1894 Joseph P. Lavigne
In Cope's book, p. 216 Quote "It is assumed that the firm was actually in production of at least some models of micrometers, but none have yet been observed."
"In 1901 William M. Pratt of the newly formed Goodell-Pratt Co.bought the company ... or Lavigne Patents."
This Micrometer is the same as Goodell-Pratt No. 3 Micrometer w/Depth Gauge Atch.