Acu-Math No 150 slide* rule with Case F*S typewriter drive belt replacement You can also take footage

You can also take footage of live recordings with this very handy and versatile Sony DVD recorder

The ends are threaded caps with screens to keep the mothballs contained

I have the original Hartmann ket with matching lock numbers that works

Core Specifications

used condition

Acu-Math No 150 slide* rule with Case F*S typewriter drive belt replacement You can also take footageAcu math 150 Log Log Decimal Trig, Black substrate pre 1968 With Original Case Very Good Condition Made in USA by Acumath Front Scale LL01, K, A [ B, T, ST, S ] D, L, LL1 Back Scale LL02, LL03, DF [ CF, CIF, CI, C ] D, LL3, LL2 Made in the USA FREE standard shipping to the 48 contiguous United States