Trade Card
date: label: Date made
content: after 1877
name: label: advertiser
content: Spencer Optical Manufacturing Company
label: advertiser
content: Duncan, I.
label: maker
content: Spencer O.M. Company
label: maker
content: Spencer Optical Manufacturing Company
notes: label: Description
content: Trade card advertising celluloid eye-glasses. The “S.O.M. Co. PAT. MAR. 13, 1877 ON EACH PAIR” inscription refers to John S. Spencer, proprietor of the Spencer Optical Mfg. Co. in New York City. According to advertisements, Spencer's Celluloid eyeglasses were “the lightest, handsomest and strongest known.”
label: Description
content: Ref: John S. Spencer, “Improvement in Eyeglasses,” U.S. Patent 188,264 (March 13, 1877).
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, New York City
setName: label: See more items in
content: Medicine and Science: Chemistry
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2006.0098.0005
label: catalog number
content: 2006.0098.0005
label: accession number
content: 2006.0098
objectType: label: Object Name
content: Trade Card
label: Object Name
content: Celluloid Trade Card
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 7.5 cm x 11.5 cm; x 2 15/16 in x 4 1/2 in
label: Measurements
content: overall: 1/16 in x 2 15/16 in x 4 1/2 in; .17145 cm x 7.46125 cm x 11.43 cm