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Here is a persuasive 1930s ad from Williams Oil-O-Matic.

Thanks to Kyle Kubs for finding this vintage ad from Minneapolis Heat Regulator before they joined up with Mark Honeywell's company.

Here is a cute ad from Bryant Heater, which appeared in National Geographic. Thanks to Scott Massart.

Here is a vintage ad for Williams Oil-O-Matic Heating, featuring the Rt. Hon. Sir Robert L.

Here is an early ad for Williams Oil-O-Matic, which appeared in National Geographic. Thanks to Scott Massart.

An early ad from Williams Oil-O-Matic, which appeared in National Geographic. Thanks to Scott Massart

Here is a Carlin Oil Burners and Water Heater Handbook from 1966. Thanks to Bob Craig for sharing this handbook with us.

Here is a brochure for the Esso Oil Burner, featuring their Economy Clutch with straightforward explanations.

Join them in their search for the ideal in Automatic Heating Equipment! I think you'll enjoy this 1948 consumer piece about the General Electric boiler. If you've ever wo...

Here is a well-done promotional piece for the oil-heat industry, circa 1960.