Advanced Physics with - Mechanics, first of a two-volume set of new experiments for the more in-depth introductory physics course, such as college physics
T-Shaped Flint Glass Connecting Tube, Arm Length: 1 1/2in, For joining two rubber tubes to a common tube at right angles. Safer connections are provided as the ends have constrictions to hold rubber tubing securely, Size: 1/4in ID X 5/16in OD (7.9mm)