Masks Used with the Polyphemus Process Analyzer
date: label: date made
content: 1941
name: label: maker
content: Philbrick, George A.
notes: label: Description
content: Between 1938 and 1940, George Philbrick designed an analyzer to simulate a variety of engineering problems with electronic circuitry. These relatively large paper masks represent systems that could be solved using Philbrick's analyzer. The masks are marked:
label: Description
content: 1. CONTROLLER
label: Description
content: 2. "STEAM IN" and "COLD WATER IN." This mask is signed: G. PHILBRICK. It is dated: 9/15/41. It is in two pieces.
label: Description
content: 3. Stains, but no marks - in two pieces.
label: Description
content: 4. Stains, no marks, but a drawing of four tanks. In two pieces.
label: Description
content: 5. Marked "EFFORT" and "FLUX." In two pieces.
label: Description
content: According to Holst, the device was used primarily for demonstration purposes.
label: Description
content: Reference:
label: Description
content: Per A. Holst, "George A. Philbrick and Polyphemus - The First Electronic Training Simulator," <I>Annals of the History of Computing</I>, vol. 4, no. 2, April, 1982, pp. 143-156.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Dover
setName: label: See more items in
content: Medicine and Science: Computers
creditLine: label: Credit Line
content: Gift of George A. Philbrick
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1988.0659.04
label: catalog number
content: 1988.0659.04
label: accession number
content: 1988.0659
objectType: label: Object Name
content: masks
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: average spatial: 71.1 cm x 49.5 cm; 28 in x 19 1/2 in