Telescope Mirror
date: label: associated dates
content: 1973 04 30
notes: label: Description
content: Glass telescope mirror, 9-inches diameter with hole in the center. This was probably made by Henry Draper (1837-1882), the first American to make and use reflecting telescopes with silvered-glass mirrors.
label: Description
content: Ref: George F. Barker, “Memoir of Henry Draper,” <i>Biographical Memoirs of the National Academy of Sciences</i> 3 (1895), pp. 81-139.
label: Location
content: Currently not on view
place: label: associated place
content: United States: Pennsylvania, Pittsburgh
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: John William Christopher Draper and James Christopher Draper
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.333975
label: catalog number
content: 333975
label: accession number
content: 304826
objectType: label: Object Name
content: Mirror, Telescope, 9 Inch, Concave
label: Object Name
content: Mirror
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: silver (overall material)
label: Physical Description
content: wood, walnut (overall material)
label: Measurements
content: average spatial: 22.7 cm; x 8 15/16 in
label: Measurements
content: average spatial: 9 in; x 22.86 cm
label: Measurements
content: average spatial: 5.1 cm x 25.4 cm x 30.5 cm; 2 in x 10 in x 12 in
label: Measurements
content: average spatial: 2 in x 10 in x 12 in; 5.08 cm x 25.4 cm x 30.48 cm
label: Measurements
content: overall in case: 2 1/4 in x 10 in x 12 in; 5.715 cm x 25.4 cm x 30.48 cm