1970 Vintage Soviet Air Force Military aircraft navigation slide rule. NL-10m
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Description
Old Soviet Air Force Military aircraft navigation circular slide rule. NL-10m The navigational circular slide rule NL-10m is a calculating tool for pilots and navigators and is intended for fulfilling the necessary calculations in the preparation of the flight and in-flight calculations. Made in Russia (Soviet Union period). May be some traces of long-term storage. NL-10 is a racial wooden Russian pilot that is essentially a slide rule. Maybe everything - from the addition and extraction of the square root to the calculation of trigonometric functions. Also well in skillful hands copes with bombing and air shooting.
