US$ 44.00
Standard rheostat at 16 ohms and 4A with oxidized constantan winding on a vitreous-enameled steel tube
bulb and cell holders
110 ohms at 1-ohm resolution
4 inches and mount on a swivel boss head fitting rods up to 18mm
Wooden Storage Box for 2" Bar Magnets Subcategory_Spring Scales Standard rheostat at 16 ohmsWooden storage box 3. 25 x 2 x 1 inches with a sliding top, sized to protect a pair of 50mm (2 inch) bar magnets between lessons and isolate them from steel benchtops.
US$ 44.00
US$ 17.00
US$ 110.00
US$ 10.00