vintage american medical freestanding laboratory or museum specimen display bell jar possibly fabricated by or for the fuller & fuller co., chicago, il. the structurally sound and stable clear glass jar contains an integrated solid ball-shaped knob or handle for easy handling. the jar rests on a black painted wood base with three diminutive knob "feet" fastened tightly to the underside of the base. the multi-faceted cronk earthenware bottle is for display purposes only. the bell jar is free from cracks or breaks. measures 8 1/4 in diameter x 17 inches high.