Pamphlet, Rules for Using the Diagraph
date: label: date made
content: 1825-1900
notes: label: Description
content: The instrument shown in this document resembles the perspective tracing instrument patented in Great Britain by Francis Ronalds in 1825. Behind this text, written in ink, are instructions that relate to the used of the "French Diagraph," quite possibly the Gavard perspectograph.
label: Description
content: Received with 1987.0923.02.
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
label: See more items in
content: Single Drawing Instruments
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Gift of Worcester Polytechnic Institute
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1987.0923.03
label: accession number
content: 1987.0923
label: catalog number
content: 1987.0923.03
objectType: label: Object Name
content: Pamphlet
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: .2 cm x 14.3 cm x 23 cm; 3/32 in x 5 5/8 in x 9 1/16 in