| Pittsburg Automatic Gas Water Heaters |
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| www.studenthandouts.com ↣ U.S. History ↣ War, Prosperity, & Depression ↣ Maps & Pictures |
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| Hot water flows instantly! Pittsburg Automatic Gas Water Heaters. Pittsburg Water Heater company, Pittsburgh, Pennsylvania. 1922 advertisement. Click here to enlarge. |
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| www.studenthandouts.com ↣ U.S. History ↣ War, Prosperity, & Depression ↣ Maps & Pictures |















