F.86 Data Sheet 86

HH, Universum, 1945-1955

Serial Number or Date Stamp:

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

Length of 1 decade = 7.5 in, and overall scale length = 7.5 in. The largest physical dimension is 7.5 in.

Front Scales: cm /| K A [ B CI C ] D L | 1:25

Back Scales: [ S T ]

Notes: HH Universum rule; green felt-line hinged case with clasp; 3-hairline cursor; great condition; original instruction sheet

References: http://www.rechnerlexikon.de/artikel/Rechenschieber_Rietz_Universum

Date Acquired: 08/01/2020