Technikatörténeti szemle 1-2. (1963)

CONTENT Page I. Hajnal: The development of the Technical Age 9 W.Endrei: The bud of a technical idea 27 P.Pongrácz: The Fulling Mill 35 I. Latinak : The Scythe Factory of Szentgotthárd 67 P. Vajda: The first Welded-Bridge in Hungary 97 L. Opitz : A seventeenth-century spectacles. - An Interesting Optical Relic Í03 Z . Szökefalvi-Nagy: The technology of potash boiling in Hungary in the 18

th century HO W . End.r ei-A. Spies z : Bleaching in the 18

tn century 117 J. Minárovics - R. Tarján: Károly Mártony Kőszeghi' s life preserver 123 W. Endrei - G. Nagyrévi: Two unknown balloon flights 132 B.Mandorff: Kálmán Kandó's letters on the new method of electrical traction 138 Á . V a s z k ó : The international exchange of exhibitions from the history of communication > 153 F. Szabad vary: A report on the Schaffhausen Congress of the German Society for the Historiography of the Medical, Natural and Technical Sciences 158 S z . Ormos: A debate on László Makkal's periodicity theorem of the history of technics on October 18,1963 at the Universal History Department of the Institute for Historiography of the Hungarian Academy of Science 160 E . F üg edi : X

th International Congress, History of Science Abstracts 162 Z. Hegedűs: Pleiner Radomir, Stare Eur

opské Kovarstii(Old European Smith-handicraft) 167