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1890 - Adolph Pettenkofer (?), Sewing machine Patent model
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1890 - Adolph Pettenkofer (?), Sewing machine Patent model

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From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.

About this work

Patent # 426,737; Issued April 29, 1890 - Adolph Pettenkofer (?), Patent model for a reversible feed mechanism for sewing machines.

National Museum of American History’s own description
Credit line1890 - Adolph Pettenkofer (?), Sewing machine Patent model. National Museum of American History. CC0.

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