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Our holdings include hundreds of glass and film negatives/transparencies that we've scanned ourselves; in addition, many other photos on this site were extracted from reference images (high-resolution tiffs) in the Library of Congress research archive. (To query the database click here.) They are adjusted, restored and reworked by your webmaster in accordance with his aesthetic sensibilities before being downsized and turned into the jpegs you see here. All of these images (including "derivative works") are protected by copyright laws of the United States and other jurisdictions and may not be sold, reproduced or otherwise used for commercial purposes without permission.

© 2018 SHORPY INC.

[REV 25-NOV-2014]

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Filling Station: 1924

Filling Station: 1924

Washington, D.C., 1924. "Havoline Oil Company." View full size. National Photo Company Collection glass negative, Library of Congress.

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Havoline is Texaco's brand name for its oil and products.

Havoline Oil?

The sign says Texaco, not Havoline.

[The Havoline sign is at top right. - Dave]

Special Occasion?

It could be this was a demo of the device. The words on the gasometer seem to be announcing its purpose a bit too loudly for normal garage use.

Mechanic Shade Tree

That's a honey locust in the foreground (note the seed pods). Memories of cleaning the pods off the driveway and yard as a kid. The tree also has huge thorns.


The device is a chassis dynamometer.

The dyno operator has his hand on the brake lever (Prony brake). He's either measuring horsepower and trying to relate it to engine condition or using the dyno to load the motor and collect/measure blowby somehow for the same purpose.

I wonder if this was a "special occasion" or if there was some other reason the dyno operator had so many helpers?

Early Chassis Dynamometer?

Looks like they lock down the automobile and then the drive wheels power a pump. The pressure is measured on the gauge on the "gasometer" in the background.

SHORPY HISTORICAL PHOTO ARCHIVE | History in HD is a vintage photo archive featuring thousands of high-definition images from the 1850s to 1960s. (Available as fine-art prints from the Shorpy Archive.) The site is named after Shorpy Higginbotham, a teenage coal miner who lived 100 years ago.

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