Felix ("Феликс") Russian Mechanical Arithmometer (calculator). USSR, Kursk, Schetmash plant, 1970s, metal. Weight 3.6 kg.
This counting machine is a modification of Odner's lever-based adding machine.
It allows you to work with operands up to 9 characters long and supply a response up to 13 characters long.
Its sturdy construction and intricate mechanics make it a valuable addition to any collection.
P.S. see my other unusual items
