Nylon Cleaning Brush for 1"-1.2" Tubes, 8.75" Subcategory_Baskets and Trays and 500mm focal lengths for

and 500mm focal lengths for comparative refraction experiments

Twelve-slot natural wood buret rack organizes vertical buret storage and simultaneous titration setup in chemistry and analytical laboratory classrooms

Two-foot acrylic rod with one end coiled into a 9-inch loop

this classroom Van de Graaff kit demonstrates charge conservation

and a removable cord post

Nylon Cleaning Brush for 1"-1.2" Tubes, 8.75" Subcategory_Baskets and Trays and 500mm focal lengths forBuilt for scrubbing narrow diameter glassware, this fan shaped nylon brush rides a twisted stainless steel handle flexible enough to bend around difficult interior angles.