Description
TWO DAVIS & SON GIMBALLED SURVEYOR'S COMPASSES, LONDON, ENGLAND, 19TH CENTURY, 4 1/2-in. dia. dial marked, "Davis & Son London & Derby No. 269," the other marked, "J. Davis & Son Ltd. London & Derby 757," both with internal scales, opposing spirit levels, and folding sighting vanes, the J. Davis...