Picture No | 10048375 |
Date | 1891 |
Description | MEGASCOPE WITHOUT A BOX |
Details |
MEGASCOPE used without a box : instead, the projection is performed from an adjoining room, the image being thrown onto a screen of tracing paper
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Source | engraving by an unnamed artist in 'Scientific American' 4 April 1891, page 216 |
Credit | Mary Evans Picture Library |
Restrictions |
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