F.129 Data Sheet MJS-p-0405

Hemmi, 258, 1961

Serial Number or Date Stamp: LH

Country: JPN Primary construction material: bb Case included?: yes

General Description: Advanced linear log-log duplex slide rule

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

Front Scales: LL0 LL00 K DF [ CF CIF CI C ] D R1 R2 L

Back Scales: LL01 LL02 LL03 [ T ST S C ] D LL3 LL2 LL1

Notes: Post 1460 Versalog, leather Post case; owner Donald Andrew Edwards; received at completion of his PhD at Cornell U. in 1961; intl. recognized accelerator physicist; 1927-2025

References: http://sliderulemuseum.com/SR_Dates.htm#Hemmi

Date Acquired: 12/19/2025