Stempel: Vertegenwoordiger Fotobureau Holland....Amsterdam
Papier achterkant: 16 year-old student claims discovery of 'artificial radium'. Wallace Louis Minto, a 16 year old student of the Dickinson High School in Jersey City, New Jersey, has startled American American scientists with the sensational claim tot produce 'artificial radium' and other radio-active minerals from ores obtainable in certain American states.Wallace is to demonstrate his claims before the annual Convention of the Eastern Electronic Research Association, composed of foremost doctors and radio-therapists.......Photo shows: Wallace Louis Minto at work in his laboratory. US PN.g.
en stempel: rijksmuseum voor de geschiedenis der natuurwetenschappen
Beschrijving
Ontwikkel gelatine zilverdruk. Portret van Minto (1921-1983) aan het werk