MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 88
described in theAppUcation of the Triangle of Velocities, basic pro-blems 1,11 and 111. The cover of this Computer contains aCfrcular Shde-Rule for the solution of time, speed anddistance problems. On many other types, the CircularSlide-Rule will be found on the back of the Computer. The Circular… … fig. 42. The Dalton Dead Reckoning Slide Rule. division or proportion. From a navigational point ofview, however, its value lies in the rapid solution oftime, speed, distance, and conversion problems. Note that the Slide Rule consists of irmer and outerscales. The irmer scale may be rotated to any…
Airplanes
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
