US$ 19.95
Economical slide viewer projects microscope slides as enlarged images for group viewing without requiring a full microscope setup in teaching environments
the slightly wider apex stepping deviation up from the 5° wedge while keeping the thin-prism form factor
energy conservation
Ten-pack of 5mm yellow LEDs with diffused round lenses
Borosilicate Glass U-Tube Capacity_50mL Economical slide viewer projects microscopeBorosilicate glass U tube apparatus enables visual observation of capillary action, osmosis, and pressure difference experiments in physics and chemistry.
US$ 19.95
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US$ 37.95
US$ 58.99
US$ 34.99