US$ 11.90
25 inches tall supports glassware over Bunsen burners for bench heating
Ten-centimeter brass cone on an ebonite insulator and metal base
this apparatus pairs two 8-inch polarizing filters in a wooden frame with four acrylic shapes that show photoelastic patterns when squeezed
and geosphere on a labeled diagram
Hexagonal Hollow Stopper with Flat End, 14/23, Borosilicate Glass Size_12 Inch 25 inches tall supports glasswareHexagonal hollow stopper in heavy duty borosilicate glass features 14 23 cone with flat end for sealing ground joint vessels and apparatus.
US$ 11.90
US$ 13.90
US$ 11.90