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George Morris inventor of the 12 volt electric Welsh HarpGeorge Morris inventor of the 12 volt portable electric Welsh Harp, testing his invention in the hills of Snowdonia, North Wales Date: 1988
The World's First PostcardThe idea of a postal card which could be used at half the letter rate was that of Heinrich von Stephan in 1865. Later that year
SEINE MASCARET (P. PARIS)The mascaret on the Seine, at Caudebec-en-Caux, is amplified by the equinoctial tides, providing a remarkable spectacle Date: September 1903
Cuttens pendulum recorder for psychical researchJohn Cuttens pendulum recorder (general view above, close-up below), for use in psychical research. This electronic device detects the movements of a pendulum which are recorded on the chart
