US$ 12.00
Thirteen-coil plug-type resistance box covering 1 ohm to 1000 ohms with 2110 ohms total at plus-or-minus 0
the workhorse decade for introductory Wheatstone-bridge and Ohm's-law work
Secures burettes
revealing cranial sutures
Tightly wound 700-turn copper coil on a small air-core former
Density Spheres Set Pack Size_15 Thirteen-coil plug-type resistance box coveringIllustrates liquid density changes with temperature using a weighted 75mm hollow copper sphere that floats in 15C water and sinks as the water warms to 30C.
US$ 12.00
US$ 12.00
US$ 10.00