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The Manual Data Keyboard (MDK), manufactured by IBM, consists of a ten-digit keypad. Together with the Manual Data Readout device, it was used to input numbers into the Gemini spacecraft on-board computer. Numbers entered via this unit would select memory addresses in the computer, as well as enter actual numerical data. What the numbers signified was determined by settings on the MDR.

McDonnell Douglas gave this MDK to the Museum in 1972.

 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 IBM Corporation
 Dimensions 3-D: 15.9 × 7.6 × 7.6cm (6 1/4 × 3 × 3 in.)
 Materials Aluminum
Steel
Copper Alloy
Coating
Synthetic
Magnesium
 Inventory Number A19721015000 Credit Line Gift of the McDonnell Douglas Corporation Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.