Microscope
date: label: date made
content: ca 1890
name: label: maker
content: Bausch & Lomb
notes: label: Description
content: This is a compound monocular with coarse and fine focus, circular stage, trunnion, sub-stage two-sided mirror, and Y-shaped base. The inscription on the stage reads “BAUSCH & LOMB / OPTICAL CO.” The inscription on the arm reads “PAT. OCT. 3, 1876 / PAT. OCT. 13, 1885.”
label: Description
content: Bausch & Lomb introduced this form in 1884, terming it the Model No. 520 and noting that it had been constructed “in compliance with a generally expressed demand for a simple, low-priced and well-made instrument, which is adapted to every grade of work.” The stand with case cost $25; with two objectives and camera lucida it cost $45.
label: Description
content: In 1900, Bausch & Lomb termed this the American Type Microscope, Model F, noting that it “represents a distinct type of instrument, possessing the advantages of lightness, graceful proportions, and convenience for working combined with stability and low cost. It has been for many years the standard instrument in a large number of laboratories, and a prime favorite with individual workers.”
label: Description
content: Ref: Bausch & Lomb, <i>Illustrated Catalogue</i> (Rochester, 1884), pp. 12-13.
label: Description
content: Bausch & Lomb, <i>Microscopes and Accessories</i> (Rochester, 1900), pp. 46-47.
label: Description
content: Ernst Gundlach, “Improvement in Microscopes,” U.S. Patent 182,919 (Oct. 3, 1876).
label: Description
content: Edward Bausch, “Microscope,” U.S. Patent 328,277 (Oct 13, 1885).
label: Location
content: Currently not on view
place: label: place made
content: United States: New York, Rochester
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Medicine
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content: Microscopes
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content: Science & Mathematics
creditLine: label: Credit Line
content: Estate of William Whiting
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MG.308729.04
label: catalog number
content: 308729.04
label: accession number
content: 308729
objectType: label: Object Name
content: microscope