Artifact Details

Title

Rolling parallel rule in wooden case

Catalog Number

B105.80

Type

Physical object

Manufacturer

W. H. Harling Ltd.

Place Manufactured

London, England

Identifying Numbers

Other number Patent No. 160100

Dimensions

1 3/4 x 19 x 4 3/4 in. (box); 1 x 18 x 2 1/2 in. (ruler)

Category

Pre-computer/slide rule

Lot Number

B105.80