F.39 Data Sheet MJS-p-0227

Dietzgen, 1735, 1941-1952

Serial Number or Date Stamp: 106514

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

General Description: Advanced linear log-log vector/hyperbolic duplex slide rule

Length of 1 decade = 10 in, and overall scale length = 10 in. The largest physical dimension is 10 in.

Front Scales: L LL1 DF [ CF CIF CI C ] D LL3 LL2

Back Scales: LL0 LL00 A [ B T ST S ] D Th Sh2 Sh1

Notes: Vector rule, early model, frameless cursor; owner W. J. Dunbar, , 1500 Hays, Boise, ID

References: JOS V18.1p10; JOS V24.1p61; https://osgalleries.org/makers/srmm.html; https://www.legacy.com/us/obituaries/idahostatesman/name/william-dunbar-obituary?pid=180273629

Date Acquired: 11/16/2021