demonstration of adaptor sleeve for Tolles solid eyepiece
Date: 1860-1874
Inventory Number: 1045f
Classification: Workshop Tool
Subject:
Maker: Robert B. Tolles (1823 - 1883)
Maker: Boston Optical Works (fl. 1867 - 1895)
Maker: Charles X. Dalton (1840 - 1912)
Cultural Region:
Dimensions:
4 × 2.7 × 2.7 cm (1 9/16 × 1 1/16 × 1 1/16 in.)
Material:
Description:
1045f is a Tolles workshop pattern or demonstration model.
It is an example of an adaptor sleeve for a Tolles solid eyepiece. It is a brass sleeve in which the interior diameter changes slightly.
A tag reads, "Sleeve serving as adapter for Tolles solid eyepiece exhibited separately in relation with a French copy. The Tolles is a high power in brass mounted throughout. -over- The line of thickening within this tube prevents the eyepiece from entering quite its full length - yet very nearly -."
(It is stored in parts box 1045a.)
It is an example of an adaptor sleeve for a Tolles solid eyepiece. It is a brass sleeve in which the interior diameter changes slightly.
A tag reads, "Sleeve serving as adapter for Tolles solid eyepiece exhibited separately in relation with a French copy. The Tolles is a high power in brass mounted throughout. -over- The line of thickening within this tube prevents the eyepiece from entering quite its full length - yet very nearly -."
(It is stored in parts box 1045a.)
In Collection(s)
Signedunsigned
Historical AttributesLikely given by Charles X. Dalton around 1901.