Compound microscope by Campani. Engraved "Giuseppe Campani-in-Roma". Complete with biconvex ocular and biconvex o.g., wooden cap Compound microscope by Campani. Engraved "Giuseppe Campani-in-Roma"
Engraved brass 17th century Hand microscope, engraved "Depovilly a Paris" (no object in one of the eight holes in specimen wheel) Hand microscope, 1667-1700
Nachet's Bi-ocular microscope with two eyepieces, each numbered "3" (one with eyelens in sliding fitting) Nachet's Bi-ocular microscope with two eyepieces