Single-Phase Rheostat, 300 x 56mm Meters_Electrical Matte-white painted screen 100 x

Matte-white painted screen 100 x 100mm in size

and tubing

covering core dispersion and refraction shapes for ray-box optics work

this 28 SWG bare constantan wire on a 125g reel holds resistance stable as the surrounding circuit heats up

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

Single-Phase Rheostat, 300 x 56mm Meters_Electrical Matte-white painted screen 100 xThree hundred thirty ohm 0. 95A single phase rheostat on a 300x56mm tube with cover protected constantan winding and 4mm safety socket terminals, at plus or minus 10% nominal value tolerance.