Hartley's Optical Disc Subject_Chemistry Compact linen-tester magnifier folding flat

Compact linen-tester magnifier folding flat into a metal frame

equipping a class for compound-pulley and variable-diameter work

this set covers the mid-range bench volumes with raised graduations and tapered pouring spouts

INDUSTRIAL STRENGTH || Made of high quality

25-inch aluminum tuning fork features a round stem that grips firmly without damping the vibration

Hartley's Optical Disc Subject_Chemistry Compact linen-tester magnifier folding flatStand mounted 230mm rotatable disc with 360 degree graduations and built in light source, supplied with prism, lens, slab, and screen accessories for a full reflection and refraction sequence.