US$ 37.99
this large-capacity polypropylene measuring jug carries raised graduations and tolerates autoclave
and storage between uses at the laboratory bench
this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves
and LED in a molded plastic housing
a 12V LED source on a US plug
Balanced Wind Vane Plastic Labware_Plastic Wash Bottles this large-capacity polypropylene measuring jugBalanced wind vane with a steel pivot bearing assembly and direction indicator mounted on a cast iron base, a sturdy meteorology tool for classroom and field weather observation.
US$ 37.99
US$ 35.00
US$ 37.99
US$ 15.99
US$ 19.99
US$ 80.99