Funny-Record-5785 t1_iybolp6 wrote on November 30, 2022 at 4:56 AM Reply to My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on. by Iain_MS Silent switches were sick too sucks they took them off the market Permalink 2
Funny-Record-5785 t1_iybolp6 wrote
Reply to My thermostat uses the expansion/contraction of a drop mercury to conduct electricity and trigger when to turn off and on. by Iain_MS
Silent switches were sick too sucks they took them off the market