Here is a recent estate find. It Has a Silver Metal Dial and is Dated 1942. 8″ in Diameter, and is Case in a Custom Fitted Oak Wood Case, Signed “Pratt & Whitney. The Case Measures approx. 9″ x 9″ x 5. This is in Good Cosmetic Condition!!! It appears to be working, but has not been Calibrated. This Might Be What You have Been Looking For!!! What you see pictured is what is included!