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Superior Air Purifier and Cooler - 1914 to 1917


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Posted (edited)

1914 -

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Edited by Mike Kearns
Posted (edited)

1914-1915 -

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Edited by Mike Kearns
Posted (edited)

1916 -

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Superior Air Purifier and Cooler 1914 to 1917 - 8.jpg

Edited by Mike Kearns
Posted (edited)

Device is patented September 18, 1917.

Edited by Mike Kearns

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