File:Grant mechanical calculating machine 1877.jpg
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Original file (1,401 × 897 pixels, file size: 783 KB, MIME type: image/jpeg)
Summary
| Description | Grant mechanical calculating machine (1877) George B. Grant Co., 94 Beverly St., Boston, MA |
| Date | (advertisement); July 29, 2013 (Digital image) |
| Source |
"Scientific American" Vol. XXXVI, No. 19, May 12, 1877 p.294 New York: Munn &Company (Publisher) "The Cooper Collections" (uploader's private collection) Digitized by Centpacrr |
| Author | George B. Grant Co. (Inventor/Manufacturer); Scientific American (Engraving) |
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, 1931.
 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. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:46, 29 July 2013 | No thumbnail | 1,401 × 897 (783 KB) | commonswiki>Centpacrr | == Summary == {{Information | Description=Grant mechanical calculating machine (1877) George B. Grant Co., 94 Beverly St., Boston, MA | Source="Scientific American" Vol. XXXVI, No. 19, May 12, 1877 p.294 New York: Munn &Company (Publisher) "The Cooper... |
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- File:Grant mechanical calculating machine 1877.jpg from Wikimedia Commons
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