M42 is a sub-basement of Grand Central Terminal in Midtown Manhattan, New York City. The basement contains an electrical substation that provides electricity to the terminal and helps power its tracks' third rails .

Apr 28, 2016 · Look inside the M42 basement of Grand Central, a hidden power station deep below NYC that does not appear on a single map or blueprint.

Aug 30, 2021 · 7. M42 Station The M42 power station. Deep below Grand Central Terminal is a hidden power station known as M42. The original converters, which are no longer in operation, powered much of the...

M42 (sub-basement), a power station at New York City's Grand Central Terminal; In photography: M42 lens mount, a standard for cameras; In firearms and military equipment: Ag m/42, a Swedish semi-automatic rifle which saw limited use by the Swedish Army from 1942 until the 1960s; M42 Duster, a United States Army self-propelled anti-aircraft gun

Dec 11, 2020 · About ten stories below the ground, deep underneath Grand Central lies its basement, known by the top-secret-sounding name M42. The designation refers to the basement itself, not the substations (of which there were two), but in …

Jul 21, 2022 · M42, Grand Central’s sub-basement. The argument has been made that if the Nazis had managed to take out M42’s substations during World War II, all train movement in the Northeast would...

Jul 7, 2021 · Grand Central is a well-known symbol of New York and the world's largest train terminal — but many don't know about its basement and the secrets it holds.

Mar 23, 2018 · Ten floors below Grand Central Station is M42, a secret room that is not on any map. The room was built in 1913 to house GCT’s massive rotary power apparatus and is still used today to protect the electricity that delivers over 1 million people a day into NYC through Grand Central Terminal’s many train lines.

Dec 7, 2015 · Adolf Hitler plotted to destroy this secret space, known as M42. A vast monument to the Machine Age, M42 features mammoth electrical rotary converters that kept Grand Central humming during...

Mar 30, 2013 · 190 feet below the lower level, which is itself three stories below street level, is a space that you won't see on any map. It's called the M42 sub-basement. During World War II, from end to end...