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)
Summary
| 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/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:08, 30 May 2023 | | 146 × 99 (27 KB) | commons>Igs2010 | Uploaded own work with UploadWizard |
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