22 SWG Bare Copper Wire, 225ft Reel (0.71mm Dia) Capacity_1000mL Tool-free 5-minute assembly to a

Tool-free 5-minute assembly to a 21-inch height puts ripple-tank wave behavior - reflection

Long-focal double-concave glass lens at 75mm diameter and 300mm focal length

the lower-friction variant of the metal-bearing bench-clamp pulley in the series

supplying precise low-resistance values for Wheatstone-bridge and Ohm's-law investigations

Cut-away 17-inch active volcano model reveals magma chamber

22 SWG Bare Copper Wire, 225ft Reel (0.71mm Dia) Capacity_1000mL Tool-free 5-minute assembly to aUsed in finer coil winding and resistance vs length experiments, this 22 SWG bare copper wire on a 250g reel runs about 225 feet the workhorse fine gauge of the line.