d'Arsonval type high frequency generator with accessories by the Wappler Electric Co., 162-182 Harris Avenue, Long Island, New York, United States, 1920. d'Arsonval type high frequency generator with accessories by the Wappler Electric Co. 1920
Bottle of "Natrico" tablets, by The Drug Products Co. Inc., USA, 1890-1930 Bottle of "Natrico" tablets 1890-1930
