I have several computers from 1950s, also a set of sectional charts for the U.S.

   1.  2 each G.Felsenthal Dead Reckoing Computers & Manual
   2.  Jeppsen Navigation Plotter PN1
   3.  Jeppsen Computer Model  R2
   4.  Lyon Computer
   5.  Kane Skyking Computer
   6.   G. Felsenthal  Computer Type D4
   7.  McCauly Metal Prop Rev Chek  RPM

                    Location Des Moines Ia.  515 287 1374

                If you can use, make offer