The main duty was probably charging lead acid batteries or acumulators, used in many appliances and motor vehicles. Radios back then ran with both lv and hv dc, [the latter usually suplied by zinc/carbon batteries]. As Tesla says, this was the usual way of rectifying ac in small powers before WWII, the alternative Hewlitic type mercury-vacuum arc rectifier sets cost a fortune. Hope this gets preserved!
Here are the gauges (custodian's real motive is he said he heard you can get $150 for these on EBay)
School has a large stage and auditorium, never had an elevator until 20 years ago, and I don't know what they would have used batteries for in the school, unless it was common practice to charge a bunch and have them for backup emergency lights in case of power failure (which probably happened more in the 20's and 30's than it does now).
I heard there is an old original blueprint (the actual blue background with white lines for the drawings type of blueprint from which came the term, I assume). Maybe I can get my hands on it.
Here is the cut off load feeder, a 1" or 1 1/4" flex connector
Re: What was this DC generator for?
#194020 05/05/1003:11 AM05/05/1003:11 AM