Hartley's Optical Disc Physics_Alternative Energy sized as a generic spare

sized as a generic spare in the PH1118 demonstration-meter scale series for swap-in classroom use

Autoclavable polypropylene draining basket measuring 40 by 40 by 11 cm

Thirty-two-inch advanced pulley demonstration set with 8 singles

5m of twin flex for connection to mains-grade optical-bench setups

providing low-temperature-coefficient reference values for Ohm's-law and bridge calibration work

Hartley's Optical Disc Physics_Alternative Energy sized as a generic spareStand 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.