A RARE OPPORTUNITY TO PURCHASE AN EARLY & HISTORIC ENGLISH QUADRANT SIGNED ON BOTH SIDES :HENRICUS SUTTON LONDINI FECIT 1658 LAT. 51.32 ( LONDON ) NEW STYLE AND THIS INSTRUMENT OR ANY OF THE MATHEMATIQUES ARE MADE IN BRASS OR WOOD BY HENRY SUTTON INSTRUMENT MAKER BEHIND THE ROYAL EXCHANGE. NEW STYLE INCLUDES THE GREGORIAN CALENDAR (GREGORIAN CALENDAR 1582 POPE GREGORY XIII. ADOPTED IN ENGLAND 1752 TO REPLACE THE JULIAN CALENDAR 1ST JAN.45BC JULIUS CAESER) THE PRINTED PAPER SCALES / PLATES ARE ALMOST CERTAINLY MOUNTED ON AN OAK CORE , MANY SCALES, LINES,CALANDERS, STARS, AND PROJECTIONS ETC. PROVENANCE: THE ESTATE OF LORD KENYON, GREDINGTON.