U.S. patent model, Wadsworth watch stem-winding device
date: label: date made
content: 1866
label: patent date
content: 1866-06-19
name: label: licensee
content: Wadsworth, Arthur
label: inventor
content: Wadsworth, Arthur
notes: label: Description
content: Arthur Wadsworth received U.S. patent 55,750 for a stem-winding device for a watch on June 19, 1866. The Newark Watch Co., a short-lived firm operating between 1864 and 1869, made a small number of watches on Wadsworth’s design. Stem-winding and stem-setting watches gradually became practical and replaced those wound and set with a separate key.
label: Description
content: Details:
label: Description
content: Partial movement: regulator, plate engraved: “New York/1202/Arthur Wadsworth”; Partial silver case (no back) marked: “4470” on covers
label: Location
content: Currently not on view
place: label: place made
content: United States
label: associated place
content: United States: New Jersey, Newark
setName: label: See more items in
content: Work and Industry: Mechanisms
label: See more items in
content: Measuring & Mapping
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ME.309022
label: catalog number
content: 309022
label: patent number
content: 55,750
label: accession number
content: 89797
objectType: label: Object Name
content: patent model, watch stem winding device
label: Other Terms
content: patent model, watch stem winding device; watch; Mechanical, Spring-Driven; Pocket Watch
physicalDescription: label: Physical Description
content: brass (watch movement material)
label: Physical Description
content: silver (watch case material)
label: Measurements
content: overall: 3 1/16 in x 2 1/8 in x 5/8 in x 2 1/8 in; 7.77875 cm x 5.3975 cm x 1.5875 cm x 5.3975 cm