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MAX/MIN Recording: Records maximum and minimum readings for both light and temperature
Included: 5 x Heavy Duty Single D Cell Battery Holder Cell Holder
Closed Loop Movement: When a magnet passes through the closed loop
the ray box features an open front and vertical internal grooves to accommodate a slit plate and a cylindrical lens
It works perfectly with biological microscope and stereo microscope (With the adaptor Dia
Lens Set of 6 | Concave Lens | Convex Lens MAX/MIN Recording: Records maximum andIncludes: 1 x 50mm Diameter Double Convex lens, 1 x 50mm Diameter Plano Convex lens, 1 x 50mm Diameter Concavo Convex lens, 1 x 50mm Diameter Convexo Concave lens, 1 x 50mm Diameter Plano Concave lens, 1 x 50mm Diameter Double Concave lens. Wooden storage box to protect the kit. Premium Quality: Optically worked, back silvered, with protective coating. Designed for use in professional laboratories but is an ideal choice for science classrooms and
