Hi Al:

A great find. I've added it to my Aircraft \ Flight Simulators info which is mostly about Link Trainers.
https://prc68.com/I/Aircraft.shtml#Simulators

Note that patent 2463583 is how patent 2352216 is used.

-- 
Have Fun,

Brooke Clarke
https://www.PRC68.com
axioms:
1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
2. Everybody, with no exceptions, holds false beliefs.

-------- Original Message --------

Wayne,

Bingo!

US Patent 2352216

Thanks much,
Al