Rectangular Refraction Glass Block, 100 x 60 x 18mm Item Type_Dissection Pins supplying both current types to

supplying both current types to a single workstation for circuits and electromagnetism

Pairs 100 by 75mm with 18mm thickness on an acrylic rectangular refraction block

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

well-suited for water-displacement and calorimetry work with an included inquiry-based instruction manual

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

Rectangular Refraction Glass Block, 100 x 60 x 18mm Item Type_Dissection Pins supplying both current types toPairs 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.