Diffraction Grating
date: label: date made
content: 1880
name: label: maker
content: Rutherfurd, Lewis Morris
notes: label: Description
content: Small plane diffraction grating from Princeton University. The inscription reads “Feb. 1880. 29,880 spaces, 17296 per inch. Manuf. by D. C. Chapman with L. M. Rutherfurd’s engine.” Daniel C. Chapman was the mechanic who operated the ruling engine designed and built by Lewis M. Rutherfurd.
label: Description
content: Ref: D. J. Warner, “Lewis M. Rutherfurd: Pioneer Astronomical Photographer and Spectroscopist,” <i>Technology and Culture</i> 12 (1971): 190-216.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, New York
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.328661.2
label: catalog number
content: 328661.2
label: accession number
content: 275579
objectType: label: Object Name
content: diffraction grating
physicalDescription: label: Measurements
content: overall: 3 in x 3 in x 5/16 in; 7.62 cm x 7.62 cm x .79375 cm
label: Measurements
content: overall; in museum storage: 5 1/4 in x 3 1/4 in x 1 3/4 in; 13.335 cm x 8.255 cm x 4.445 cm