Light source in metal housing on magnetic foil for experiments demonstrating ray optics on a whiteboard.With the help of rotating mirrors, the beams can be masked out individually. Lamp: 12V, 55W; Cord: 1.5 m w/ 4 mm plug
Photosynthesis, The Hill Reaction, Includes: 40 mL 10% Propylene Glycol Solution, 500 mL Plant Extract Buffer, 100 mL 0.05% Dichloroindophenol Ezprep, 100 mL 0.5 M Sucrose Ezprep, 0.25 g Sodium Hydrosulfite, 2 Filters, 30 Graduated Pipettes
Ray box, simple, safe and sturdy source of projected light for many classic optics experiments, produces parallel convergent rays across a plane horizontal surface and the rays are intense enough to be traced in natural light. Built in solid aluminum extrusion casing, 100-240V 50/60 Hz