Student Introductory Optical Bench Set Biology letting students directly observe pressure-volume

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

a screen and lid

25-inch frame for draining

Student Introductory Optical Bench Set Biology letting students directly observe pressure-volumeMeter 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.