Replacement Sonometer Wires, 60", Steel and Brass, 22/24/26 Gauge, 6-Pack StockedLY9121 the 90-45-45-degree faces redirecting wider

the 90-45-45-degree faces redirecting wider beams for total internal reflection and image-inversion work

Square-topped wooden screw simple-machine model with a leverage block

tightened with an Allen wrench for constructing lattice frameworks on laboratory benches

5-inch height for free-spinning compass and magnetometer demonstrations

Replacement velcro electrode leads for the Neulog GSR Sensor

Replacement Sonometer Wires, 60", Steel and Brass, 22/24/26 Gauge, 6-Pack StockedLY9121 the 90-45-45-degree faces redirecting widerSix 60 inch wires steel and brass at 22, 24, and 26 SWG sized as the matched replacement set for the PH0730 sonometer, supporting how material affects frequency comparison work.