Platinum Wire in Glass Tube for Flame Testing Ends_Round Polished non-warping wooden base with

Polished non-warping wooden base with a built-in meter-scale carries a compass-box magnetometer

Folds flat into a metal pocket frame and opens into a 5x linen tester with an integrated measurement scale

Spring-loaded vinyl jaws open to 2

25-inch zinc-plated cast iron triangular tripod

this Hall's car supports dynamics work on inclined planes with weights and pulleys

Platinum Wire in Glass Tube for Flame Testing Ends_Round Polished non-warping wooden base withPlatinum flame test wire fused into a 5 inch borosilicate glass handle, preferred over iron or nichrome because it contributes no color of its own to the flame.