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to aer...@westmont.edu
Still have my slide rule from 1952 in my desk drawer--along with a spring
calculating slide rule that I used during the time I designed and checked
spring design prints working at a spring factory. And, of course the reilable
whiz wheel E6B along with my hand written flight plan book for many various
routes to satisfy the whim of the ever vigilant lord and master captain
during my early yes sir and no weather or CAA radar days ..