Polarimeter
date: label: date made
content: 1950s
name: label: maker
content: O.C. Rudolph & Sons, Inc.
notes: label: Description
content: This polarimeter–marked “O. C. Rudolph & Sons, Inc. / Caldwell, N.J. U.S.A. / Model 70 / No. 1062”–was “an intermediate model suitable for macro, or macro and micro work in research and general polarimetry.” The polarizer unit consists of a Lippich half-shade prism and a large Glan-Thompson polarizer prism, the angle of which can be changed through 20°. The observation trough holds tubes up to 400 mm in length. The rotatable analyzer has a graduated circular scale with two verniers that were guaranteed to read directly to 0.01° of arc. The base is of cast aluminum. This model was introduced in 1951 and cost $1500.
label: Description
content: O. C. Rudolph & Sons began in business in 1948. By 1961 the firm was trading as Rudolph Instruments Engineering Co., Inc. It was trading as Rudolph Instruments in 2012.
label: Description
content: Ref: Scientific Glass Apparatus Co., Inc., <i>What’s New for the Laboratory</i> 12 (1951): 27.
label: Description
content: Scientific Glass Apparatus Co., Inc., <i>General Catalog</i> (Bloomfield, N.J., 1952), p. 747.
label: Location
content: Currently not on view
place: label: place made
content: United States: New Jersey, Caldwell
setName: label: See more items in
content: Medicine and Science: Physical Sciences
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content: Science & Mathematics
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content: Measuring & Mapping
creditLine: label: Credit Line
content: U.S. Food and Drug Administration
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2001.0308.01
label: catalog number
content: 2001.0308.01
label: accession number
content: 2001.0308
objectType: label: Object Name
content: polarimeter
label: Object Name
content: polarimeter
physicalDescription: label: Measurements
content: overall: 46 cm x 40 cm x 102 cm; 18 1/8 in x 15 3/4 in x 40 5/32 in