French Cosmographe C 1875
A rare French “Cosmographe” C 1875, signed Cosmographe te. ‘S..D.G., France & Etranger’ on the calendrical plate and Perigot, Paris, on the 12inch ( 30,5 cm) diameter globe. Standing 23 inch ( 58,5 cm) tall overall on a turned ebonized wood base, the cosmographe has geared motion against a calendar scale, to show how the earth axis remains fixed in space throughout the year. A folding terminator ring is used to demonstrate the variation of solar illumination with season. In addition Roman numbers (I – XII, two times) on enamelled plaques are situatedÂ on the time zones, very rare. The Cartouche gives the follow instruction: Globe Terrestre / Un metre de circonferenee 40.000.000 / Dresse par CH. Perigot / professeur d’Historie et de Geographie au Lycee St Louis / dessine par Alp. Mouraux: / Institut Geographique de Paris / CH. Delagrave editeur / Rue Soufflot.
In good condition and 58,5 cm high.