Here is a closer picture of some of the uniparts. The brown ones are all Westinghouses from 1952. The skytone ones are (front to back) LAPP Gamma, 1971 McGraw Edison (one of these was fried in a flashover), and a 1975 Pinco. The ones on the pins are a mix of 2006 Santanas, more Pincos, and a 1970 NGK. These insulators are stuck on the pins, and I don't know how to get them off.