Rectangular Refraction Glass Block, 100 x 60 x 18mm Item Type_Dissection Pins sized for cross-bench reach in

sized for cross-bench reach in small-scale electronics work where 4mm hardware is too large

Glass tube 33 inches long with a cork piston riding on a stable wooden base

guided exercises that interact with the Electronic Stability Program simulator

bottle in borosilicate glass holds 125mL with glass stopper for biological oxygen demand testing and water quality analysis

reference-grade for bridge work

Rectangular Refraction Glass Block, 100 x 60 x 18mm Item Type_Dissection Pins sized for cross-bench reach inPairs 100 by 60mm with 18mm thickness on a glass rectangular refraction block, the larger working face giving longer beam paths for measurable lateral displacement studies.