Electric Flatiron

Chrome-plated electric flatiron, dry, no steam function. Triangular-shaped soleplate, curved, streamlined body, narrow heel rest. Horizontal handle, curved and molded black bakelite with three bent, chrome-plated metal wires. Fabric gauge on back end of handle, red molded plastic knob. Above knob is debossed and colored white: “KM” with lightning bolt. Power cord attaches to back of handle, fabric cord, metal coil, black and gold cord, with black plastic plug, two-pronged. Extended heel rest, stamped/engraved: "115V. A.C. ONLY 1000W./ PATS. PEND. PAT. NOS. 1,481,021/1,951,176/99,170/CAT. NO. 468-7/TEL-A-MATIC/MF’D. BY K-M COMPANY/ST. LOUIS, U.S.A.”. Left side is stamped: “25379”
1,481,021, January 15, 1924, Laurence K. Marshall, assignor to Spencer Thermostat Company, Cambridge, Massachusetts, for “Temperature-controlled apparatus”
1,951,176, March 13, 1934, John E. Smith, assignor to Knapp-Monarch Company, St. Louis, Missouri, for “Coating machine and process”
99,170, March 31, 1936, Howard Smith, assignor to Knapp-Monarch Company, St. Louis, Missouri, for “Design for a sadiron”
This iron is from the Hoover Company Sample collection, North Canton, Ohio, including samples by Knapp-Monarch Company, St. Louis (Missouri), which was bought by Hoover in 1969. It is noted: “Hoover Company Collection tag Sample 25379/Rec’d. April 72/Model 468-7; Knapp-Monarch tag, dated 1937.”
Maker is the Knapp-Monarch Company, St. Louis, Missouri, founded in 1925 as A.S. Knapp and Company, not as a manufacturer, but to sell products. The company merged with manufacturer Monarch Company of Webster City, Iowa, in 1928. In 1969 the company was acquired by the Hoover Company.
Currently not on view
Object Name
date made
ca 1937
Knapp-Monarch Co.
Physical Description
metal (overall material)
plastic (overall material)
fabric (overall material)
average spatial: 13 cm x 11.3 cm x 24.5 cm; 5 1/8 in x 4 7/16 in x 9 5/8 in
overall: 5 in x 4 1/4 in x 9 1/8 in; 12.7 cm x 10.795 cm x 23.1775 cm
place made
United States: Missouri, Saint Louis
ID Number
catalog number
accession number
Domestic Furnishings
See more items in
Home and Community Life: Domestic Life
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of The Hoover Company
Additional Media

Visitor Comments

Add a comment about this object

**Please read before submitting the form**

Have a comment or question about this object to share with the community? Please use the form below. Selected comments will appear on this page and may receive a museum response (but we can't promise). Please note that we generally cannot answer questions about the history, rarity, or value of your personal artifacts.

Have a question about anything else, or would you prefer a personal response? Please visit our FAQ or contact page.

Personal information will not be shared or result in unsolicited e-mail. See our privacy policy.

Enter the characters shown in the image.