F.230 Data Sheet MJS-p-0214

KHH, Mannheim Multiphase Adjustable, 1924

Serial Number or Date Stamp:

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

General Description: Basic linear polyphase slide rule

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

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

Back Scales: [ S L T ]

Notes: Post 1452; very early version; maker Koch, Huxhold & Hannemann; Made in Germany in well; leather case, stamped Posts Multiphase Slide Rule; L scale right to left; Slide Rule Data Slips on back

References: http://srtco.us/PostCrossRef/SubPages/1452%5b1925-30%5d.html

Date Acquired: 09/11/2021