Calculator, Infrared Radiation


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

This special-purpose slide rule was supplied by the engineering firm EG&G Judson, to aid in the design and analysis of radiation measuring and sensing systems using EG&G Judson infrared detectors. Some of these detectors were installed on spacecraft for scientific or military applications. Others were used for ground-based apparatus.

Collection Item Long Description:

Data Source

National Air and Space Museum

Restrictions & Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum


Credit Line

Gift of EG&G


  • Paper
  • Coating
  • Cardboard
  • Adhesive
  • Aluminum


3-D: 11.7 × 11.4cm (4 5/8 × 4 1/2 in.)

Country of Origin

United States of America


INSTRUMENTS-Computers, General Purpose

Inventory Number