F.269 Data Sheet MJS-p-0348

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Pickett, 140-ES, c.1970

Serial Number or Date Stamp:

Country: USA

Primary construction material: pl

Case included?: yes+box

General Description: Advanced linear beginner/student log-log polyphase trig/decitrig duplex slide rule

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

Front Scales: LL01 K A [ B S ST T1 T2 C ] D DI LL1

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

Notes: Advanced beginner’s rule; expanded Log Log duplex Version 2, with 22 scales; scales black, inverse scales italics; NIB, case, instructions

References: http://www.sliderulemuseum.com/Manuals/Pickett_Chronology.pdf

Date Acquired: 08/19/2024