Tolles solid C eyepiece
Date: 1855-1876
Inventory Number: 1045p-3
Classification: Microscope Ocular
Maker: Robert B. Tolles (1823 - 1883)
Maker: Boston Optical Works (fl. 1867 - 1895)
Maker: Charles X. Dalton (1840 - 1912)
Cultural Region:
Dimensions:
eyepiece: 6.8 × 4.2 × 4.2 cm (2 11/16 × 1 5/8 × 1 5/8 in.)
Description:
1045p is a set of 5 Tolles solid eyepieces, 2 belonging to Louis Agassiz (all stored in Tolles box 1045b). This is eyepiece 1045p-3:
One solid eyepiece with a single lens. Scratched "C" under the flange and on the sleeve that protects the solid element. Unscrew this sleeve in order to see a metal band around the solid lens engraved "PAT'D Sept. 25, 1855."
One solid eyepiece with a single lens. Scratched "C" under the flange and on the sleeve that protects the solid element. Unscrew this sleeve in order to see a metal band around the solid lens engraved "PAT'D Sept. 25, 1855."
In Collection(s)
Signedunsigned
Inscribedscratched: C
engraved on band: PAT'D Sept. 25, 1855
engraved on band: PAT'D Sept. 25, 1855