RVFM Bi-Metal Switch
Description
Bi-Metal-Switch-RVFM-P04061-A-p-This-bi-metal-switch-is-a-dramatic-demonstration-of-the-thermostat-principle-Consists-of-a-bi-metal-strip-mounted-on-a-base-Because-of-the-unequal-expansion-of-the-two-different-metals-the-bi-metal-strip-will-bend-to-open-or-close-the-circuit-and-the-light-bulb-lights-up-accordingly-p-RVFM-Bi-Metal-Switch
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