Antique Microscope Slide of a Phryganea Caddisfly

Exemplary Antique Microscope Slide of Peacock Copper Ore.

ANTIQUE MICROSCOPE SLIDE: ARRANGED DIATOMS

Antique microscope slide by Watson. "Skin of a Sole".

Vintage Bausch & Lomb Shop Field Microscope *EMPTY CASE ONLY* 9”x6-1/2”x3-3/4”

Antique Microscope Slide. A Line of Seven Diatoms

Hinton Antique Microscope Slide of a Young Seahorse

Triple Turret Junior Microscope Antique, Young Readers of America Original Box