Ahrend 435065 Aristo Rietz 99 slide rule 1964 full set Germany Holland
€45.00
Ahrend 435065 Aristo Rietz 99 slide rule, made in 1964 with full set from Germany for Holland
1 in stock
An interesting model slide rule by Aristo from Germany for the Dutch Ahrend Group (Office Equipment). The Aristo Rietz model 99 now has a Ahrend number on the back as well as a Dutch manual. It also has the original Aristo signed container and outer box as well as the plastic insert card. Everything is complete and in good condition with signs of use and age (mostly scratches to the white back of the slide rule) including the name of the former owner carefully scratched into the back. The curser is complete and working, date stamped 1964. The box measures 32 cm or 13 inches. Check the attached video on how to work your vintage man tool : slide rule operation instructions!