Trade Card
date: label: Date made
content: after 1877
name: label: Associated Name
content: Duncan, I.
label: maker
content: Spencer Optical Manufacturing Company
notes: label: Description
content: Trade card for celluloid eyeglasses. 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. Spencer’s “Improvement in Eyeglasses” received a patent (#188,264) on March 13, 1877). And, according to advertisements, his Celluloid eyeglasses were “the lightest, handsomest and strongest known.”
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: 2006.0098.0018
label: catalog number
content: 2006.0098.0018
label: accession number
content: 2006.0098
objectType: label: Object Name
content: 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