Artifact Details

Title

Mannheim slide rule

Catalog Number

B203.82

Type

Physical object

Date

1880 ca.

Manufacturer

Tavernier Gravet

Place Manufactured

France

Identifying Numbers

Other number 48 followed by the pound sign

Dimensions

1/4 x 10 1/4 x 1 1/4 in.

Description

Wooden slide rule - very old (c 1860) so shows signs of dirt and wear. Attached to the bottom of the rule is a self adhering sticker with the word "DELEHAR" printed at the top. Handwritten on the sticker is "Rare example of the slide rule devised by Col. E. Mannheim ( ) in 1851. The first to popularize the cursor"

Category

Pre-computer/slide rule

Subject

Hand calculation; Analog; Oughtred, William

Credit

Gift of Gwen and C. Gordon Bell

Lot Number

X6288.2012