A SILVER BUTTERFIELD DIAL, A SILVERED PROTRACTOR AND TWENTY-TWO VARIOUS SMALL COMPASSES, the silver Butterfield dial, octagonal, inset with a compass and with folding gnomon, engraved with chapters for latitudes 43 to 52 degrees at 3 degree intervals, and on the reverse, a gazetteer of numerous European cities--mid-18th century--2¾in. (6.9cm.) long, together with a silvered protractor and twenty-two various small compasses--the compasses 1/4in. (.64cm.) to 1¾in. (4.4cm.) diam. (24)