A 10″ all aluminum slide rule with a plastic unframed cursor and aluminum stops. The slide has ridges and stock is grooved. This is a duplex type of slide. Comes in a black cardboard. Scales: Front: LL1, A, B, ST, T, S, C, D, DI, K. Back: LL2, DF, CF, CIF, L, CI, C, D, LL2. Markings: [Serial] 3C1835, International Copyright 1949.
Accession Number: 2010.lej.31
Markings: Old Inventory Number = 31.
Length = 31 cm, Width = 5 cm, Height = .7 cm
Function: Facilitating calculations.
Item is in very good condition. The slide is slightly stiff.
Pickett and Eckel Inc., Chicago, Illinois, 71.
Date of Manufacture: c. 1960
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