Object Details
Description
In about 1917, Frank A. Crampton and Theodore H. M. Crampton designed an instrument for finding the values of trigonometric functions. This is a copy of the 1917blueprint for the device, made in 1975. For the instrument, see MA.335540.
Location
Currently not on view
Credit Line
Gift of Esther L. Crampton
date made
1975
ID Number
MA.317954.04
accession number
317954
catalog number
317954.04
Object Name
sheet
Physical Description
paper (overall material)
Measurements
overall: .1 cm x 49 cm x 45.8 cm; 1/32 in x 19 9/32 in x 18 1/32 in
See more items in
Medicine and Science: Mathematics
Science & Mathematics
Trigonometry
Data Source
National Museum of American History
Subject
Mathematics
Link to Original Record
Record ID
nmah_1214125