Photomicrograph
date: label: date made
content: 1850s, 1876
name: label: maker
content: Draper, John William
notes: label: Description
content: This is marked “No. 1. Blood Corpuscles of Frog. Copied from a Daguerreotype by Prof. J. W. Draper of N.Y.” The reference is to John William Draper (1811-1882), an English immigrant who did import work in several areas of science and medicine.
label: Description
content: Visitors to the Centennial Exhibition of 1876 might examine “a volume of 9 photographs (large quarto) copied at the Army Medical Museum from daguerreotypes of microscopical objects made by Professor Draper in 1850-’52.” According to an official account of this display, the “special interest attaching to these photographs is that the daguerreotypes were the first of microscopic objects made in America, and that they were made by Professor Draper by sunlight passed through a cell containing the ammonia-sulphate of copper; a method original with him which has since been found indispensable to success in photomicrography.”
label: Description
content: Ref: <i>Report of the Board on Behalf of the United States Executive Departments at the International Exhibition, Held at Philadelphia, Pa., 1876</i> (Washington, D.C., 1884), vol. 1, p. 229.
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, New York
topic: label: Subject
content: Science & Scientific Instruments
label: related event
content: Centennial Exposition
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.334768
label: accession number
content: 304826
label: catalog number
content: 334768
objectType: label: Object Name
content: photomicrograph
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: photo: 16 cm x 15.5 cm; 6 5/16 in x 6 3/32 in
label: Measurements
content: mount: 28 cm x 35 cm; 11 1/32 in x 13 25/32 in
label: Measurements
content: overall: 14 in x 11 in; 35.56 cm x 27.94 cm