|
Date: |
|
Description: | II
III
Troughton & Simms, / London
This achromatic telescope has a tapering barrel covered in leather. There are two brass draw tubes and brass fittings that include a pivoted eyepiece cover. The objective lens cap is now missing. The maker?s name appears on the smaller draw tube as ?Troughton & Simms, / London?, while some roughly inscribed roman numerals on hidden parts appear to be part of the manufacturing process.
Focal length: 15". O.G.diameter: 1.5".
Compare ZBA1206
caption: Pocket telescope
caption: Pocket telescope - inscription | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Achromatic lens achromatic telescopes Troughton & Simms | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
|
|