I know that this is an old thread, but here's some additional revelant information:
CorenDirebrew wrote:Did PRR make the reading catenary
No.
Assembly of the Reading's alternating-current catenary system was a "home-brew" project performed entirely by the RDG's own labor force.
The total electrified mileage (track-miles as well as route-miles) of the RDG was much less than that of the PRR, since Pennsy's catenary was intended for a truly
massive quantity of electrified freight traffic as well as a large number of intercity as well as commuter passenger trains; many more than the RDG operated on its own routes. The much more modest scope of Reading Company electrification allowed them to do it on a "in-house" basis. This saved a great deal of money.
BTW, Reading also had some vague fantasy plans for someday electrifying their New York Branch all the way to Jersey City NJ, in combination with electrification of the Central RR of New Jersey's Bound Brook-Jersey City mainline. (The CNJ was mostly owned by the Reading during this time period.) Alas, this never happened.
The
only part that the RDG did not do itself was to actually fabricate the steel I-beams and the catenary contact/messenger/steady span wires. The lines which were electrified also received a completely new automatic block-signal system, which was installed at the same time that the wires went up for AC traction power. Those automatic block signals were the classic old General Railway Signal Co. type "G" triangular, three-bulb heads that were finally retired & replaced only in the last decade or so. The new signal heads now only exist at interlockings; automatic signals were removed from the ex-RDG half of the SEPTA railroad division starting in approx. 2005, because SEPTA's commuter trains now use a Cab Signal display system (plus other related "improvements") instead of traditional lineside signal appliances.
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