Sun Dial Invented By Julien Le Roy

VERY RARE SIGNED SUN DIAL: "INVENTED BY JULIEN LE ROY FROM THE SOCIÉTÉ DES ARTS, EXECUTED BY LANGLOIS IN PARIS AT THE LOUVRE GALLERIES" THIS DIAL HAS SEVERAL SPECIFICITIES, NOTEMALL THE WESTERN DECLINATION ADJUSTMENT. IN LATITUDE OF 40 TO 60 DEGREES, THAT OF THE CLEAN HORIZON BEING CALCULATED FOR 49 DEGREE. IN ADDITION THE EXCEPTIONAL DIMENTIONS OF THE BOARD ALLOW A READING OF 5 IN 5 Mn. TAKEN INTO ACCOUNT OF ITS DESIGN, THIS DIAL CAN BE USED FOR THE CREATION OF SUN DIALS. IN SUMMARY, A VERY HIGH QUALITY HORIZONTAL SUN DIAL WITH ENGRAVED ON THE 30 LATITUDES OF CITIES PLATE. DATABLE CIRCA 1735. TWO GREAT NAMES OF THE GNOMONIC: JULIEN Le ROY 1686 - 1759. KING'S WATCHMAKER IN 1731. DIRECTOR OF THE SOCIÉTÉ DES ARTS. CLAUDE LANGLOIS 1720 - 1756. - JULIEN Le ROY