This vintage magazine advertisement features three types of Trimo wrenches that were manufactured by the Trimont Mfg. Company. They are the: Trimo Pipe Wrench, Trimo Chain Wrench and the Trimo Monkey Wrench.
Here is a black and white clip art version of the wrenches from the advertisement.
The ad is from the September 6, 1917 issue of Hardware Age magazine.
Click on images to enlarge.
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