USD $35
12″ / 10″ Simplex Mannheim Trig Slide Rule
Embossed white plastic construction, black scales. A very useful and popular student rule, from the last production of the Sterling/Acumath/Borden Plastics amalgamation. They are great as a first student rule, and come in the original box, with a plastic slip case, and instruction manual.
(9 Scales)
Front – S, K, A, [ B, CI, C ] D, L, T
Stock: 2
USD $49
A simple and durable pocket rule for beginners, featuring 7 scales, and an all plastic body. Rule is in good condition, includes the original case, which is in poor condition.
(7 Scales)
Front – K, A, [B, CI, C], D, L
Back – Blank
Stock: 1
USD $75
The Acumath 500 is a budget friendly, but still fairly capable rule, designed for students and those learning to use a slide rule. White plastic body with metal end braces, and the original plastic carry case.
(9 Scales)
Front – S, K, A, [B, CI, C] D, L, T
Back – Conversion factors
Stock: 1
USD $55
An inexpensive, beginner, pocket rule. All plastic construction, single-sided. Includes manual.
(7 Scales)
Front – K, A, B, C1, C, D, L
Back – Blank
Stock: 1
Sphere Research Corporation