irt – I Ride The Harlem Line

A Rotary Converter and the Power Historian

One of the joys of running this site is getting the chance to meet interesting people. When researching the supposed Nazi sabotage of Grand Central’s sub basement known as M42, I encountered a video on YouTube showing one Robert Lobenstein—identified as the retired General Superintendent of Power Operations at New York City Transit—starting up an old rotary converter. I had seen rotary converters before, the very ones in Grand Central’s M42, in fact. Yet I had never seen one in operation, and the video fascinated me. It was clear that the modern static frequency converters I had encountered on filming...

February 13, 2015

The Electrification of Grand Central, and Metro-North’s Third Rail

Over the past few years this site has significantly delved into the history of Grand Central Terminal and how it came to be. We’ve talked about the Park Avenue Tunnel wreck that led to the banning of steam locomotives in Manhattan – considered one of the catalysts for building the new all-electric Terminal. We’ve also talked about the power plants established to provide the electricity to power the trains operating to Grand Central. But somehow along the way, we’ve neglected to discuss the integral bit of tech that delivered the electricity to the trains in Grand Central, and is still...