File:Sun rays on person.jpg
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Summary
| Description |
English: Wolcott's system of illumination. A-A are the mirrors used to reflect a beam of light on the sitter. B' is a trough of plate glass filled with a solution of blue vitriol to protect the eyes of the sitter. |
| Date | |
| Source | Eureka a New York City magazine for inventors, V.1, page 9 |
| Author | Unknown author |
Licensing
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:27, 11 March 2022 | | 978 × 462 (65 KB) | Doug Coldwell | Uploaded a work by unknown from ''Eureka'' a New York City magazine for inventors, V.1, page 9 with UploadWizard |
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