Ueber d i e angenbliokliohe Erzelrgangdaktes mittbeilen. Der letzte Theil wird die Analysen, die Haupteigenschanen und die hauptsiichlichsten Anwendungen des Caoutchoucs und der Gutta-percha enthalten.
LIV.Ueber die augenblickliche Erzeugung photographischer Bilder.Von P. !P&bot.
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