U-Tube Glass Manometer with Printed Scale, 80-0-80 Light & Optics_Color Element-stamped 20mm solid brass cube

Element-stamped 20mm solid brass cube for density investigation

letting students drive the lamp directly or send the slow AC output to a meter or oscilloscope

Carbon plate with 4mm socket terminals for the simple-cell apparatus

and aqueous titrants

and hygrometer in a single classroom-scale unit for monitoring room conditions at a glance

U-Tube Glass Manometer with Printed Scale, 80-0-80 Light & Optics_Color Element-stamped 20mm solid brass cubeBorosilicate glass U tube manometer with a built in stopcock mounted on a back plate 80 0 80 scale at 2mm subdivisions, for visualizing gas pressure differences in fluid mechanics work.