Drawing Instrument, Abrams Contour Finder
date: label: date made
content: 1943
name: label: maker
content: Abrams Instrument Corporation
notes: label: Description
content: The compartments of the wooden case for this instrument include two lenses mounted stereoscopically on a metal handle that attaches to a metal base. They also hold two lights with an electrical cord. These may be mounted over the rod that holds the lenses. Other parts include:
label: Description
content: 1. A rod with two gauges on it, as well as 2 glass pieces. Both gauges run from -50 to 0 to +50. This is the measuring unit.
label: Description
content: 2. A pencil arm.
label: Description
content: 3. A double point, one of which has a lead in it.
label: Description
content: 4. A sliding clamp.
label: Description
content: 5. A plastic container with several leads.
label: Description
content: 6. A paper tag giving the serial number and manufacturer's name. This tag reads in part: Serial No. 327. It also readst: Date AUG 23 1943. It also reads: ABRAMS INSTRUMENT CO. (/) LANSING, MICHIGAN, U.S.A.
label: Description
content: An alignment mechanism and a photogrammetric computer, shown as part of the instrument, are not in the present apparatus.
label: Description
content: For a related object, see MA.333632.
label: Description
content: Reference:
label: Description
content: Talbert Abrams, <I>Essentials of Aerial Surveying and Photo Interpretation</I>, New York: McGraw-Hill, 1944.
label: Location
content: Currently not on view
place: label: place made
content: United States: Michigan, Lansing
topic: label: Subject
content: Mathematics
label: Subject
content: Drafting, Engineering
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Single Drawing Instruments
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of The University of Missouri - Columbia
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.333631
label: catalog number
content: 333631
label: accession number
content: 300659
objectType: label: Object Name
content: drawing instrument
physicalDescription: label: Physical Description
content: wood (case material)
label: Physical Description
content: cloth (liner material)
label: Physical Description
content: rubber (cord material)
label: Physical Description
content: glass (lenses material)
label: Physical Description
content: metal (rods, smaller cases, circuitry material)
label: Physical Description
content: paper (tag material)
label: Physical Description
content: plastic (covers material)
label: Measurements
content: overall: 7.4 cm x 45.8 cm x 16.6 cm; 2 29/32 in x 18 1/32 in x 6 17/32 in