Concise Circular Slide Ruler Alpha 4300

$17.93

Item is in good working condition. Shows signs of use and wear. Manual cover has come loose from staple. Please see all provided photographs for a representation of the item you will receive.
Black sleeve shows No. 300. Manual shows No. 28. Ruler shows Alpha 4300.


Diameter: 11.2 cm, Thickness: 0.5 cm, Weight: 44.1 gms
Materials: All plastic, 2 sided plastic cursor w/metal tensioniong spring
Scales: 15
Front: K, A, D [ C, CI, B, L]
Back: LL3, LL2, D [ C, S, T1, T2, ST]
Gauge Marks: [ ?, ?’, ?”, ?0, e, C ]

Out of stock

SKU: J8-146 Category: