Manufacturer
Spencer Lens Co.Date made
1916 - 1917Notes
Company based in Buffalo, N.Y. Serial number 37115. Includes 4 eyepieces, and 3 empty containers (probably for objective lenses.) Mechanical stage attachment for adjusting position of specimens. Model 44 (there are a few variations on that model. This one is consistent with an image in a 1916 issue of the Journal of the Royal Microscopical Society.)