Homemade aluminum relay board with five relays and terminal stri…

Home-built auxiliary relay panel on a swirl-polished aluminum plate: five automotive relays wired with red power leads and black grounds feeding two barrier terminal strips. Laid out on a floral tablecloth alongside red-handled crimpers, spare butt and ring connectors, a brass temperature sender and a pressure switch.

AI caption May 2004 · Photo 71 of 463