Lot 1034

Faber Castell Mathema 2/84 Slide Rule & TR4 Scientific Calculator

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Faber Castell Mathema 2/84 Slide Rule & TR4 Scientific Calculator

Item Details

Description

Two (2) Faber Castell, Germany scientific items, including one (1) Mathema 2/84 Full Hyperbolic duplex slide rule, comprised of white plastic with a plastic cursor with hairlines and plastic edges held together with metal screws (12" L), and one (1) TR4 scientific slide rule calculator, comprised of black plastic with green, orange, off white, and grey buttons (6 3/4" L). Maker's marks to edge of slide rule cursor and front of calculator. Both include original cases. Both items 3rd quarter 20th century.

Condition

All items in overall good condition. Slide rule case with wear, does not completely close. Calculator not tested for functionality, requires a new battery charger.