Details
A B.U.G. calculator,
No.6574, with eight sliding indices for (/s/d, in nickel-plated sloping case -- 8in. (20cm.) long, in fitted case (lacking stylus)

Lot Essay

Similar to the Hans Sabielny A9 Compator by Schbuert & Salzer, Chemnitz.

More from Scientific Instruments and Tools

View All
View All