Hartley's Optical Disc Subject_Chemistry this set covers the mid-range

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

the largest value in the demonstrator line for slow RC charging and high-energy capacitor-discharge work

INDUSTRIAL STRENGTH || Made of high quality

this fan-shaped nylon brush rides a twisted stainless steel handle flexible enough to bend around difficult interior angles

Hartley's Optical Disc Subject_Chemistry this set covers the mid-rangeStand 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.