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Dual Fuel: 1910

Dual Fuel: 1910

Detroit, Michigan, circa 1910. "Approach to the Detroit River tunnel." 8x10 inch dry plate glass negative, Detroit Publishing Company. View full size.


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Before Photoshop

photos were retouched by hand. In this case a masterfully subtle job with the fake smoke from 7501.

All sorts of cargo traverse the tunnel


Click here for an extreme close-up.

3rd Rail & Pantographs

Yes, GeeBax, this was a third rail system, and the power rail is seen 2' 4 1/4" outside the running rails to your left of the engine.

The small pantograph was used in terminal switching areas where an overhead power supply was placed above complex track arrangements such as slip switches and double crossovers which made it difficult, or impossible, to place third rails to assure continuous power supply to locomotives.

Third Rail

While the tunnel track on the right has the third rail in shadow, you can see it pretty clearly on the other side, to the right of the incoming electric engine. The Detroit tunnel operation was with 600V DC until the diesel electrics took over.

Ether Power

There does nor seem to be any overhead power feed to the electric locomotive, even though it has a very small pantograph. Was there third rail power in the tunnel?

[If it was a snake ... - Dave]

Getting the Royal treatment

In the center background you can see the rooftop sign for Royal Salad Dressing. It was mde by Horton-Cato Mfg. Co., which was founded by two English gentlemen (hence the "Royal") in Detroit in 1877. They also made Worcestershire sauce.

Diesel Fuel: 2018

This railway tunnel from Detroit to Canada is still in use, although steam and electric engines have been replaced with diesel-electric locomotives. Not far away is the infamous Michigan Central Station, which is to be restored. You can check out photos of the station here.

Deja Vu

We've seen the sign for Royal Salad Dressing before. Oh, and Engine 7501 too. Love the different perspectives.

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