Description
Vertically pivoting magnetic needle that visualizes the dip angle of Earth's field
5mm heater hole and 7
modeling the principle behind fiber optics
this metal-base board tensions six 1-meter wires side by side with 4mm socket terminals at each end
Reel of 250-foot 24 SWG nichrome resistance wire
Variable Angle Glass Prism, 10° x 10° x 160° Subcategory_Pitchers Vertically pivoting magnetic needle thatPairs a 10 apex with 10 x 10 x 160 geometry on a glass prism, the slightly wider apex stepping deviation up from the 5 prism for systematic angle versus deviation series.
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