A 1939 30Th Celebration For The Invention Of The “German X-Ray” Badge certificate_of_authenticity struck in silver

struck in silver

Footnote: Richard August "Knobby" Knobloch (May 27

Thereupon he skilfully withdrew his men from a difficult position to a strong one 200 yards in the rear

prongs broken off/missing

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

A 1939 30Th Celebration For The Invention Of The “German X-Ray” Badge certificate_of_authenticity struck in silverA 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.