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File:Grant mechanical calculating machine 1877.jpg

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Summary[edit]

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[edit]

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Date/TimeThumbnailDimensionsUserComment
current21:46, 29 July 2013Thumbnail for version as of 21:46, 29 July 20131,401 × 897 (783 KB)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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