Limbs 280 x 5 mm bore with ends riffled & bent at 90° for rear connections. Mounted on graduated plastics base.

For density experiments on solids & liquids, hollow body, upper loading pan, and weighted lower loading pan brass plated.

To demonstrate Venturi effect. Made of glass with three side tubes for attaching an included three-leg manometer. The manometer is filled with colored water to show the relative pressures at significant points of the tube when gas is flowing through it. With Instructions. Without Clamp.

Comprises a circular gauge on a pillar fitted on a heavy base. With a tubule to provide connection to the pressure system.

A horizontal frame is mounted on a rod fitted to a base & carries a steel wire stretched across it, the tension of which can be adjusted by a tightening screw. A lightweight metal pointer with a counterpoise is attached to the centre of the wire by a clamp. A pan is hung from a notch in the pointer and has a hook at its underside from which can be suspended a lightweight rectangular frame or a metal clip to hold a micro slide edge. The tip of the pointer moves over a graduated scale. With rectangular wire frame, slide clip, six micro slides and 3 meters of spare wire.