While looking for some other things, I ran across these sites that may be of interest:

http://www.australiansteam.com/Lima2091.htm

http://www.australiansteam.com/index.htm

https://www.tumblr.com/search/electric%20railways

A most interesting image from the last one is of an apparent snowball fight on PE's Alpine Division--apparently even the conductor got in on the action at left:

https://41.media.tumblr.com/9de2de00339 ... 1_1280.jpg

There was also this rather haunting image of the aftermath of a fire at a street railway powerhouse in Baltimore in 1904:

https://41.media.tumblr.com/27db40aca1c ... 1_1280.jpg

Anyway, enjoy these sites.