Meter Stick Optical Bench Kit with Double Concave and Convex Lenses Entomology & Zoology_Zoology Charts & Models 50ML / 2000ML || Automatic

50ML / 2000ML || Automatic zero burette with 50ml capacity mounted on a 2000ml reservoir - Includes automatic zero facility

this 8-piece polypropylene graduated cylinder set spans 10mL to 2000mL with raised graduations for classroom and lab work

digestive system

Twenty-one bacterial model set demonstrates morphological diversity

Meter Stick Optical Bench Kit with Double Concave and Convex Lenses Entomology & Zoology_Zoology Charts & Models 50ML / 2000ML || AutomaticMeter stick optical bench with a hardwood rule, two lens holders, point source, candle mount, index card screen, and a matched pair of convex and concave lenses for image formation exercises.