Vintage World War II US Army Forces Navigational Aids midcentury_jewelry and has a nice long

and has a nice long

This side dishes measure approximately 5 1/2" long x 4 1/4" wide

the globe measures approximately 4" tall

Sierra Madre

antique pottery

Vintage World War II US Army Forces Navigational Aids midcentury_jewelry and has a nice longOffered are two World War II navigational aids. The black plastic disk is a Time Distance Computer Type D 4 U. S. Army Air Forces, circa 1943. The disc measures approximately 4 3 8" in diameter with a metal center core. Made in USA by J. B. Carroll Co. Front Scale: True Altitude, Air Temp, Press. Alt. (ETA, Air Speed ) Back Scale: Cal. Air Speed, Air Temp, True A. S. (pressure Altitude, Density Altitude) The white disk is made of a heavy card stock