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This circular slide rule computes the relationship among the various parameters of a rocket-propelled space mission: the specific impulse of the rocket motor, the paylod weight, the desired trajectory, and velocity. It would not have been accurate enough for an engineer to use in planning a mission; they used detailed mathematical formulas, evaluated by digital computers. But the slide rule would have been very useful for managers, members of the trade press, news media, and government funding agencies, who needed to know the basics of a space mission.
Display Status
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin
United States of America
Type
INSTRUMENTS-Computers, General Purpose
Manufacturer
General Electric Co. Dimensions
3-D: 18.1 × 18.1cm (7 1/8 × 7 1/8 in.) Materials
Coating
Cardboard Inventory Number
A20170086001
Credit Line
Gift of General Electric Corporation
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.