CONTEX-10 Mechanical Calculator – A Vintage Classic

Description:
The CONTEX-10 is a manual mechanical calculator from the late 1950s, crafted by BRDR. Carlsen in Gentofte, Denmark. A remarkable example of mid-century precision engineering, this calculator is designed for addition, subtraction, multiplication, and division with ease. Its compact size, robust build, and mechanical reliability make it a sought-after collectible for vintage technology enthusiasts.

Key Features:

• Dimensions: Approx. 20 cm (width) x 25.5 cm (depth) x 10 cm (height).
• Weight: 2.8 kg (6 lbs).
• Functionality:
  • 10-block keyboard for quick input.
  • Registers include 10 decimals for input, 1 decimal for counters, and 11 decimals for arithmetic results.
  • Performs all basic arithmetic operations, with unique manual methods for multiplication and division.
• Mechanics:
  • Serial-to-parallel conversion.
  • “Rocking Segment Mechanism” for reliable operation.
  • Speed tabulation and position markers for enhanced usability.

Condition:
This particular unit is in great working condition and has been cleaned and restored to ensure functionality. Some minor cosmetic wear adds character, but all mechanical parts are intact and operational.

Collector's Note:
The CONTEX-10 is not just a machine; it’s a piece of history, showcasing the ingenuity of pre-digital calculators. With its detailed manual operations and sturdy design, it’s ideal for collectors, vintage technology enthusiasts, or as a decorative addition to an office or study