Exceptional mechanical slide-rule calculator with pinwheel wheels (Odhner-type) from the Italian brand IMCA (Industria Meccanica Calcolatrici Automatiche - Tortona). Rare model dating from the late 1950s.
Unique Features:
Official Engraving: Exclusive marking of the Olympic Rings engraved directly into the bulk of the upper cover. Historical piece linked to the Rome 1960 Olympic Games.
Serial Number: 06088 (early series).
Condition: Original hammered paint (matte gray/green anti-glare) in excellent cosmetic condition.
Operation: 100% functional. Smooth mechanical action, carry/retention steps tested successfully (the overrun bell "Ding" works).
Included Accessories (Full Set):
Original protective case (Rare).
Technical manual in French (Distributeur M.J. Rouy), including the machine's kinetic schematic.
Usage: Pure mechanical addition, subtraction, multiplication and division. A high-precision collector's item, a testament to post-war European engineering."