Tilt switch from old thermostat, a sample of the element Mercury in the Periodic Table
Facts, pictures, stories about the element Mercury in the Periodic Table
1954 Chevrolet Full Size up to 1957 UNIVERSAL TRUNK OR UNDERHOOD LAMP KIT - THIS IS A MERCURY SWITCH LIGHT THAT ACTIVATES WHEN HOOD OR TRUNK OPENS | Chevrolet Full Size up to 1957 Parts | EL1008Z
Mercury Light Switch failure | DIY Home Improvement Forum