English: A mercury relay or contactor able to switch 60 Amp 115V AC power. This normally-open contactor is installed in a DEC Type 834 Power Control Panel mounted on the back side of a relay rack-mounted PDP-8 computer built in late 1965. The tubular devices connected across both the coil and the power contacts are thyrectors.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse