J. Le Maire brass travel Sundial, C 1720
French rectangular brass, travel sundial with compass. C. 1720. Signed: Jacques Le Maire AParis au Genie. At the rear, various latitudes engraved for different cities in Europe. The adjustable gnomon, shaped as a dolphin, points with its tail to the latitude scale. Dimensions 8 x 6 x 1,5 cm.
Jacques le Maire, the father ofÂ Pierre Le Maire 2,Â was a maker of repute who made many sundials of various types including one invented by Julien Le Roy. He was recorded to work between c. 1720 and 1740.Â Â Some of his sundials are signed fait par Jacques Le Maire et inventÃ© par Julien Le Roy de la SociÃ©tÃ© des Arts au GÃ©nie, Paris. He developed a variant of the Newtonian telescope in 1728, he also made a variant of the Hadley quadrant.
Examples of its work can be seen in many museums including the:Â Conservatoire National des Arts et MÃ©tiers, Paris /Â Time Museum, Rockford, Illinois /Â British Museum, London /Museum of the History of Science, Oxford, England /Â National Maritime Museum, Greenwich, London.