Microscope
date: label: date made
content: ca 1880
name: label: maker
content: Tolles, Robert B.
notes: label: Description
content: This modest compound monocular is an example of Tolles’ Student’s Microscope with rack-and-pinion, trunnion, square stage, Lister limb with sub-stage mirror, wheel of apertures to adjust the light cone coming up through the specimen, curvilinear tri-leg base, and wooden box. The base, uprights and arm are iron, japanned black. The inscription on the tube reads “TOLLES Boston” and the serial number 242 appears on the underside of the stage. There are three objective lenses: one Tolles, one Murray & Heath, and one unmarked.
label: Description
content: Robert B. Tolles (1823-1883) apprenticed with Charles A. Spencer, became supervisor of the Boston Optical Works in 1867, and sole proprietor of the firm in 1872.
label: Description
content: Ref: Boston Optical Works, <i>Microscopes and Telescopes</i> (Boston, 1883), pp. 3-5.
label: Description
content: Deborah J. Warner, “The Microscopes and Telescopes of Robert B. Tolles,” <i>Rittenhouse</i> 9 (1995): 65-83.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Boston
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Medicine
label: See more items in
content: Microscopes
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content: Science & Mathematics
creditLine: label: Credit Line
content: The New England Hospital for Women and Children Nurse's Alumni Association
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MG.M-09704.01
label: catalog number
content: M-9704
label: accession number
content: 227740
objectType: label: Object Name
content: microscope
label: Other Terms
content: microscope; Medicine
physicalDescription: label: Measurements
content: overall: 15 5/8 in x 5 5/8 in x 6 3/4 in; 39.6875 cm x 14.2875 cm x 17.145 cm