A 1939 30Th Celebration For The Invention Of The “German X-Ray” Badge certificate_of_authenticity with scattered plating loss and

with scattered plating loss and contact marks evident on the crossguard and pommel

Infantry Badge - Bronze Grade - in zinc alloy

Footnote: Richard August "Knobby" Knobloch (May 27

One hundred and seventeen miners became unemployed almost immediately after the explosion

his citation stating: "The President of the United States of America takes pleasure in presenting the Navy Cross to Lieutenant Commander [then Lieutenant] Kent Manning Cushman

A 1939 30Th Celebration For The Invention Of The “German X-Ray” Badge certificate_of_authenticity with scattered plating loss andA 1939 30. Deutsche Tagung des Deutschen Rntgens Stuttgart badge (May. 1939); in zink; horizontal pinback; unmarked; measuring 43 mm x 27 mm; very fine condition. Footnote: Wilhelm Conrad Rngten (March 27, 1845 February 10, 1923) was a German mechanical engineer and physicist who was the first individual to produce x rays on November 8th, 1895, when he produced and detected electromagnetic radiation. In German, X Rays are named Rntgen.