Original U.S. WWII Sperry S-1 Bombsight in Steel Transit Case - Unissued Category_MG 34 Feed Assembly this excellent donation badge is

this excellent donation badge is constructed of silvered and patinated zink

The hair on the back of my neck stood up on end -- like a dog

Though it was originally designed to serve as a commissioned officer's personal sidearm

the McClellan was first introduced not long after the Civil War and had changed little over the years

The factory sharpened

Original U.S. WWII Sperry S-1 Bombsight in Steel Transit Case - Unissued Category_MG 34 Feed Assembly this excellent donation badge isOriginal Item: Only One Available. Manufactured by the International Business Machines (IBM) the Sperry S 1 bombsight was designed by Elmer Sperry, Carl Norden's former employer. It had several distinctions from the Norden, and some advantages. The Sperry gyroscopes spun at 24,000 rpm, compared to the Norden gyros which ran at approximately 8,000 rpm. This higher rate of rotation overcame the tendency to precess, so there was no leveling mechanism