2007-09-15 01:41 DMahalko 598×625× (114931 bytes) This is from the 1917 Hawkins Electrical Guide, page 264-265 of volume 1. Photographed, reduced to grayscale, and saved as a PNG by me. Dale Mahalko, Gilman, WI Source and copyright information: {| | [[Image:1917 Hawkins Electrical Guide