Title
Rolling Parallel Rule
Catalog Number
B20.78
Type
Physical object
Description
Wood (light walnut) box with two latches.
Date
undated
Manufacturer
Harling, W. H.
Place Manufactured
London, England
Dimensions
1 1/2 x 13 x 3 in.
Category
Pre-computer/other
Collection Title
Gwen Bell artifact and book collection
Series Title
Pre-computing artifacts