File:Optic Projection fig 17.jpg
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Summary
[edit]DescriptionOptic Projection fig 17.jpg | caption: "Fig. 17. Multiple lantern for dissolving views. Each lantern must have its own arc lamp and rheostat. For dissolving one picture into another the iris diaphragm of one objective is opened gradually while the other is gradually closed. This is accomplished by pulling up or down on the rod connecting the two iris diaphragms in the objectives." |
Date | |
Source |
Optic Projection: Principles, Installation and Use of the Magic Lantern, Projection Microscope, Reflecting Lantern, Moving Picture Machine, by Simon Henry Gage and Henry Phelps Gage, Ph.D. Ithaca, New York, Comstock Publishing Company. 1914. page 35. |
Author | Bausch & Lomb Optical Company |
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[edit]Public domainPublic domainfalsefalse |
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current | 06:36, 9 February 2008 | 1,936 × 1,728 (540 KB) | DavepapeBot (talk | contribs) | ==Summary== {{Information |Description=caption: "Fig. 17. Multiple lantern for dissolving views. Each lantern must have its own arc lamp and rheostat. For dissolving one picture into another the iris diaphragm of one objective is opened gradually while |
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