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| sci.optics | Discussion relating to the science of op | 12,750 messages |
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| Message 12,197 of 12,750 |
| Michael Koch to All |
| Re: Large periscope with narrow tube, po |
| 25 Jan 16 11:39:36 |
From: astroelectronic@t-online.de How big is the hole in the box? Is it a small hole just for one eye, or is it big enough to look through with both eyes? Michael --- SoupGate-Win32 v1.05 * Origin: you cannot sedate... all the things you hate (1:229/2) |
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