At the end of the 19th century, meteorological stations were equipped with registering instruments, among them recording rain gauges. DataInventory Number: AST56Date: 1930 (c.)Maker: Cooke T. and SonsInstrument Categories: Meteorology PlacesLocation: Εθνικό Αστεροσκοπείο Αθηνών - National Observatory of Athens Origin: Εθνικό Αστεροσκοπείο Αθηνών - National Observatory of Athens