Graphometer 18th century France – Michael Butterfield (1635 – 1724)
Invented in 1597 by Philippe Danfrie, inventor of scientific instruments. It was widely used in the navy for the detection of nautical charts.
GRAPHOMETER
Museo degli strumenti per la navigazione
Graphometer 18th century France – Michael Butterfield (1635 – 1724)
Invented in 1597 by Philippe Danfrie, inventor of scientific instruments. It was widely used in the navy for the detection of nautical charts.
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