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Invention for Improvement in Sewing Machines

Invention for Improvement in Sewing Machines

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Description (Brief)
Blanchard’s improvement in “Sewing-Machines” used the buttonhole stitch. She is best remembered for another overstitch sewing invention, the “zig zag.”
Object Name
sewing machine
date made
patent date
Blanchard, Helen A.
Physical Description
metal (overall material)
overall: 17.5 cm x 20 cm x 42 cm; 6 7/8 in x 7 7/8 in x 16 17/32 in
ID Number
catalog number
accession number
See more items in
Cultural and Community Life: Textiles
Industry & Manufacturing
Domestic Furnishings
Patent Models
Family & Social Life
Invention and the Patent Model
Inventing In America
Exhibition Location
National Museum of American History
Data Source
National Museum of American History
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