in the Long Nineteenth Century.
Most material in Net Advance Retro
is very old. It may be obsolete or incorrect.
For more recent technical information, please consult the
page at the
regular Net Advance site.
Early Cosmic-Ray Work Published in German
by Jörg R. Hörandel
With photographs of V. F. Hess's grandchildren
marking the 100th anniversary of his hydrogen-balloon
voyage, and of the be-goggled Schrenk & Masuch in