Drawing Instrument or Planigraph by Martin Schilling, No. 352, Ser. 32, No. 5
date: label: date made
content: ca 1910
notes: label: Description
content: In this linkage, three short brass rodss connect a fixed brass rod to a moveable one. The fixed rod is at the center. A drawing pin attached at the lower end of the moving rod describes a plane disc. The pin can trace any curve within the disc.
label: Description
content: A paper label on the base reads: Planigraph. (/) 32. Serie, Nr. 6. (/) Verlag v. Martin Schilling, Leipzig.
label: Description
content: This instrument was based on discoveries of Professor Gaston Darboux (1842-1917) and on the design of Professor Gabriel Xavier Paul Koenigs (1858-1931), both of Paris. It was part of a series of models by Schilling first published in 1906 and 1908, and marketed as illustrating principles of kinematics and physics.
label: Description
content: References:
label: Description
content: Gabriel Koenigs, <I>Leçons de Cinématique Professé à la Sorbonne</I>, Paris: Hermann, 1897, pp. 295-297.
label: Description
content: M. Schilling, <I>Catalog mathematicher Modelle</I>, Leipzig, 1911, pp. 88, 166-167.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
label: Subject
content: Drafting, Engineering
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Single Drawing Instruments
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content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of the Department of Mathematics, The University of Michigan
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1982.0795.27
label: catalog number
content: 1982.0795.27
label: accession number
content: 1982.0795
objectType: label: Object Name
content: drawing instrument
physicalDescription: label: Physical Description
content: metal (mechanism material)
label: Physical Description
content: wood (base material)
label: Physical Description
content: paper (label material)
label: Measurements
content: overall: 39 cm x 22.7 cm x 18.7 cm; 15 11/32 in x 8 15/16 in x 7 3/8 in