kingsgrove high
The tube was initially invented by Heinrich Geissler, a German physicist, in the mid-19th century. His invention of the Geissler tube, an early version of the vacuum tube, played a critical role in the development of modern electronic technology.
William Geissler died in 1963.
William Geissler was born in 1894.
Martin Geissler was born in 1971.
Ernst Geissler died in 1989.
Ernst Geissler was born in 1915.
Dana Geissler is 168 cm.
Elea Geissler is 166 cm.
Margit Geissler is 170 cm.
Heinrich Hormuth Waechter has written: 'Schools for the very young'
Margit Geissler was born on October 24, 1958, in Berlin, Germany.
Suzanne B. Geissler has written: 'History of Grace Church'