Microscope
date: label: date made
content: after 1890
name: label: maker
content: Nachet et Fils
notes: label: Description
content: Substantial compound monocular with coarse and fine focus, trunnion, mechanical stage, sub-stage mount, and accessories for petrographic work. The wooden case is lined with purple silk and velour. The “NACHET / 17 Rue St. Séverin / Paris” inscription refers to an important French optical firm that was begun by Camille Sebastien Nachet in 1839. The firm became Nachet et Fils around mid-century, moved to this address in the early 1860s, and began making petrographic microscopes around 1880.
label: Description
content: Kenneth E. Lohman (b. 1897), the donor, was a geologist with the U.S. Geological Survey who was particularly interested in diatoms.
label: Description
content: Ref: Albert Johannsen, <i>Manual of Petrographic</i>
label: Location
content: Currently not on view
place: label: place made
content: France: Île-de-France, Paris
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: Kenneth E. Lohman
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MG.278133.01
label: catalog number
content: 278133.01
label: catalog number
content: M-12292
label: accession number
content: 278133
objectType: label: Object Name
content: microscope
physicalDescription: label: Physical Description
content: brass (overall material)
label: Physical Description
content: glass (overall material)
label: Measurements
content: case: 6 1/2 in x 19 1/2 in x 11 1/2 in; 16.51 cm x 49.53 cm x 29.21 cm
label: Measurements
content: overall: 14 7/8 in x 4 1/4 in x 6 1/8 in; 37.7825 cm x 10.795 cm x 15.5575 cm