Student Introductory Optical Bench Set Biology drawing both DC and AC

drawing both DC and AC simultaneously with short-circuit protection via a 0

letting students directly observe pressure-volume changes under stacked weights

configured to make and break a circuit at the rhythm of a Morse-code transmission for telegraph-history demonstrations

Wall-mountable beech wood draining rack measures 20 x 20 inches and holds up to 90 pieces of labware inverted for post-wash drying in chemistry labs

Six-piece 3-inch optical lens set combining three double-convex and three double-concave glass lenses at 200mm

Student Introductory Optical Bench Set Biology drawing both DC and ACMeter stick optical bench fitted with two supports, an object marker, screen carrier, card screen, and 38mm lens holder an inexpensive starter platform for image formation experiments.