File:US144373 Izanah Walker patent.jpg

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Description

Drawings from Isannah Walker patent US144373

Source

patents.google

Date

1873-11-04

Author

ANNAH F. WALKER

Permission
(Reusing this file)


File history

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Date/TimeThumbnailDimensionsUserComment
current19:34, 2 July 2023Thumbnail for version as of 19:34, 2 July 20231,160 × 1,704 (423 KB)Lubar (talk | contribs)From US Patent Office
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