Different types of slide rules:
Pocket and fullsize:
Nestler rare slide rule system Jakob №0438, the case has a crack, the slide rule has a broken piece as well, see pictures.
Aristo Junior 2 pcs , one is with a yellowed surface with only a case, while another is set with a case and cardboard box- for condition see the pictures, instructions in german.
Faber Castell Rietz pocket with case and instructions in german.
UTO Darmstadt pocket slide rule with case and instructions on danish.
Circular slide rule Concise with case and instructions on french.
Skala slide rule with case, written by pen inside case - see pictures.
Aristo mastab slide rules 2 pcs,.
Instructions only in german for the Faber Castell rietz slide rules(pocket and full size) - 2pcs.
Item will be sent by registered mail and signature confirmation, tracking number will be provided after being sent.