Title
Sector
Catalog Number
B358.86
Type
Physical object
Description
Ivory sector.
Date
ca. 1854
Manufacturer
Elliott Brothers Ltd
Place Manufactured
England
Identifying Numbers
| Other number |
Elliott Bros - 449 STRAND |
"Elliott Bros - 449 STRAND" engraved near hinge on one arm |
Dimensions
1 1/2 x 6 x 1/4 in.
Category
Pre-computer/sector
Subject
Proportional compass; Hand calculation; Business applications; Analog
Collection Title
Gwen Bell artifact and book collection
Series Title
Pre-computing artifacts
Credit
Gift of Gwen and C. Gordon Bell
