File:Ross pattern 373B Royal Navy Officer of the Watch telescope engraving.png

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Ross_pattern_373B_Royal_Navy_Officer_of_the_Watch_telescope_engraving.png ‎(146 × 99 pixels, file size: 27 KB, MIME type: image/png)

Captions

Captions

Ross pattern 373B single-draw Royal Navy Officer of the Watch telescope engraving

Summary

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Description
English: This image shows a close-up of the engraving on a Ross pattern 373B single-draw Royal Navy Officer of the Watch telescope. Reportedly the telescope has a 44mm object lens and 18x magnification. It also features a stepped diopter ring allowing a preset adjustment to be made to suit the optical characteristics of individual users.
Date
Source Own work
Author Igs2010

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Date/TimeThumbnailDimensionsUserComment
current01:08, 30 May 2023Thumbnail for version as of 01:08, 30 May 2023146 × 99 (27 KB)Igs2010 (talk | contribs)Uploaded own work with UploadWizard

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