US$ 25.00
supplied with a rubber seal for airtight bell-jar and vacuum work
polished with ground edges for image-formation experiments in introductory optics
displaying solution acidity on a benchtop-grade meter small enough for fieldwork and classroom water quality lessons
generating enough output when cranked to light a connected bulb during electromagnetic-induction and energy-conversion demonstrations
Plain-end single cone adapter in heavy-duty borosilicate 3
4-Piece Rectangular Retort Stand Set with Coated 3-Prong Clamp Light & Optics_Color supplied with a rubber sealFour piece retort stand set with a powder coated 8 by 5 inch pressed steel base, a 23. 6 inch stainless rod, a 3 inch cast iron support ring, and a three pronged coated clamp.
US$ 25.00
US$ 18.99
US$ 30.00
US$ 70.00