World War II Patent Secrecy Order & War Time General Electric Security Badge (1943) Models on Display:John Babina Sr. WWII Patent Secrecy Order cast-metal body with a rugged

cast-metal body with a rugged brown finish

The Sony MiniDisc Walkman MZ-1

Launched as one of the first titles for the new format

It featured a minimalist look with the Apple logo on the side and was often handed out with a commemorative card tucked into an envelope to mark the "I was there" moment of the 6:00 PM launch

World War II Patent Secrecy Order & War Time General Electric Security Badge (1943) Models on Display:John Babina Sr. WWII Patent Secrecy Order cast-metal body with a ruggedThis exhibit documents a high stakes chapter of World War II military engineering involving my great grandfather, John Babina Sr., a lead physicist at General Electrics Bridgeport Works. In May 1943, Babina developed a "wave trap" inventiona critical advancement in radar feedback reduction that allowed GE to meet urgent military production deadlines. The Secrecy Order: On August 11, 1943, Babinas patent (Serial No. 490,714) was filed but immediately