1903 advertisement - CD 303/310 "Gerry" Insulator
By Bill Meier; posted May 12, 2003
View Original: Click to zoom, then click to magnify (636 x 650) 92KB
|
This is a portion of an ad from a trade journal about the CD 303/310. This was an ad in the May 30, 1903 issue of Electrical Review. Copy from Elton Gish. |