Pickett * Slide Rule Model Microline 120 With Original Case and manual F*S Smith Corona Electric Drive Belts Comes with an integral lock

Comes with an integral lock but the key is long lost

Designed by W G Bungay

as they were selected by Bose to match perfectly

I soon outgrew them and I believe I wore them only a year or so

Pickett * Slide Rule Model Microline 120 With Original Case and manual F*S Smith Corona Electric Drive Belts Comes with an integral lock12" Pickett Microline 120 Simplex Trig 1960 complete with a leatherette case Pickett Microline 120 T Simplex, Made in USA 1. 9" Wide version (9 Scales) Front Scale K, A [ B, S Cos, T Cot, CI, C ] D, L Also included is a high quality reprint of the Eugene Dietzgen Co. "How to Use a Slide Rule" manual dated 1942. This is the complete Eugene Dietzgen Co. manual, note that it will show some age and wear blemishes as it is scanned from an old owner's