File:Watkins Bee Meter.jpg
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Size of this preview: 604 × 600 pixels. Other resolutions: 242 × 240 pixels | 484 × 480 pixels | 774 × 768 pixels | 1,032 × 1,024 pixels | 2,161 × 2,145 pixels.
Original file (2,161 × 2,145 pixels, file size: 862 KB, MIME type: image/jpeg)
Summary
| Description |
English: The Watkins Bee Meter is a type of photographic actinometer, using light sensitive paper which shades on exposure to actinic light. |
| Date | |
| Source | Own work |
| Author | Egrabczewski |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:56, 31 December 2023 | | 2,161 × 2,145 (862 KB) | wikimediacommons>Egrabczewski | Uploaded while editing "Light meter" on en.wikipedia.org |
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