Variable Angle Glass Prism, 20° x 20° x 140° Manufacturer_Eisco Cover-protected single-phase rheostat with constantan

Cover-protected single-phase rheostat with constantan winding and 4mm safety socket terminals at plus-or-minus 10% nominal-value tolerance

providing lightweight projectiles for collision-and-ramp experiments where steel or glass would carry too much momentum or break on impact

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Simultaneous AC and DC output on this low-voltage power supply

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Variable Angle Glass Prism, 20° x 20° x 140° Manufacturer_Eisco Cover-protected single-phase rheostat with constantanPairs a 20 apex with 20 x 20 x 140 geometry on a glass prism, the apex angle pushing deviation past the small angle linear regime into the curved deviation vs angle zone.