F.261 Data Sheet MJS-p-0399

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LSLD Lenningrad, GOST-5161-72, 1978

Serial Number or Date Stamp:

Country: USSR

Primary construction material: wd

Case included?: yes

General Description: Basic linear trig duplex slide rule

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

Front Scales: K A [ B S ST T C ] D DI

Back Scales: L [ ] cm

Notes: Nine-panel instructions on back of slide; no cursor.

References: https://sliderulemuseum.com/Soviet.shtml

Date Acquired: 11/22/2025