File:Gundlach periscope.jpg
From Infogalactic: the planetary knowledge core
Size of this preview: 223 × 600 pixels. Other resolutions: 89 × 240 pixels | 382 × 1,027 pixels.
Original file (382 × 1,027 pixels, file size: 76 KB, MIME type: image/jpeg)
Summary
Gundlach Periscope used to look forward (upper panel) and backwards (lower panel).
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:40, 9 January 2017 | | 382 × 1,027 (76 KB) | 127.0.0.1 (talk) | <p>Gundlach Periscope used to look forward (upper panel) and backwards (lower panel). </p> |
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File usage
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