Pilot's Weather Computer CK-1
Front View
Rear View
This is a CK-1 Pilot's Weather Computer made by Weems, a division of Jeppeson & Company of Annapolis, Maryland. It was made in 1959. It was used for flight planning to predict the effects of thunderstorms and icing conditions. It is made of plastic and about 6 inches in diameter.
An instruction sheet for the CK-1 may be downloaded below (1 page):
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