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
USD $24
12″ / 10″ plastic body Slide Rule
LATE MODEL, made by Sterling (later Borden which bought out both Acumath and Sterling Plastics, and continued to sell under those names). Includes instructions, black engraved and filled scales, and yellow contrasting color slide. Can do 16 metric conversions from US standards to Metric units and vice versa. Front slide for distance and area, reversible slide for weight and volume conversions. An inexpensive and practical rule for any science students, cooks, or anyone needing to work in both unit systems. Made in USA. These rules come new, still sealed in their original packaging.
(16 Conversions)
Front – [ Inches/cm, m/feet, m/yards, miles/km, sq. in./sq. cm, sq.m/sq. ft x10, sq. m/sq yards, sq. miles/sq. km ]
Back – [ cu. in./cu cm x10, cu m/cu.ft.x10, cu. m/cu. yards, l/qt., oz./g x10, kg/lbs, metric tons/short tons, gal./l]
Stock: 3
Sphere Research Corporation