adding machine

Lot 8561 limit € 30

Manufacturer: Hannovera Rechenmaschinenfabrik, Oventrop, Heutelbeck & Co, Peine, Hannovera A model, sprocket wheel machine with 9 x 8 x 13 positions, crank drive and impellers, black steel housing, mounted on a wooden panel (cover is missing), signs of age and wear, 1920s