Closed Retort Ring with Stem, 3.9" ID, Plated Mild Steel Subcategory_Temperature and Heat Six 10 x 10cm unmounted

Six 10 x 10cm unmounted plastic filter squares - red

75 inches end-to-end with three J-shaped side ports visualizing pressure drops at the constriction

and light-path tracing experiments across a full optics-lab class set

Used to investigate force multiplication through multiple pulleys

Carefully lagged nickel-plated copper 3 by 2-inch inner cup inside a 4 by 2

Closed Retort Ring with Stem, 3.9" ID, Plated Mild Steel Subcategory_Temperature and Heat Six 10 x 10cm unmountedClosed ring design provides continuous support on this plated mild steel retort ring, combining a 3. 9 inch inner diameter with a 5. 5 inch stem for elevated stand configurations.