F.141 Data Sheet MJS-p-0333

K&E, 4035, c.1905

Serial Number or Date Stamp:

Country: USA Primary construction material: wd Case included?: yes

General Description: Basic linear Mannheim slide rule

Length of 1 decade = 8 in, and overall scale length = 8 in. The largest physical dimension is 8 in.

Front Scales: in /| A [ B C ] D || cm

Back Scales: [ S L T ]

Notes: Early rare 8-in Mannheim Rule; ends of cm scale missing on bottom edge; prod. mark 3 on end of slide; no model number on rule; no gauge marks; June 5, 1900 patent in well; square metal cursor; leather sheath

References: http://www.mccoys-kecatalogs.com/KECatalogs/1901/1901kecatp294.htm; http://www.mccoys-kecatalogs.com/Dating.htm#Specials

Date Acquired: 12/16/2023