XEE4146666 Dailbard\'s lightning experiment, 1752 - Experience done on 10 May 1752, by Thomas Francois (Thomas-Francois) Dalibard (1703-1779) a Marly, first demonstration of the presence of electricite in stormy clouds - Engraving in ??????Sciences brought to the graces of all - physics and chemistry??by Alexis Clerc - End 19th century - Private collection by French School, (19th century); Private Collection; (add.info.: Dailbard\'s lightning experiment, 1752 - Experience done on 10 May 1752, by Thomas Francois (Thomas-Francois) Dalibard (1703-1779) a Marly, first demonstration of the presence of electricite in stormy clouds - Engraving in ??????Sciences brought to the graces of all - physics and chemistry??by Alexis Clerc - End 19th century - Private collection); Stefano Bianchetti; French, out of copyright.