Description
THREE PHILADELPHIA SURVEYOR'S INSTRUMENTS, PHILADELPHIA, PENNSYLVANIA, 19TH CENTURY, 6-in. dia. vernier compass with engraved copper dial marked, "Wm. J. Young/Maker/3951/Philadelphia," blued steel needle with lifter, labeled box; a 5-in. dia. engraved brass dial marked, "W.J. Young/Maker/Philadelphia Patent," housed in a red-stained box; and a 4-in. dia., vernier compass with engraved...