Jackson’s Device for Plentiful Ventilation

Poking around Oakland’s old downtown has yielded some more overlooked old things. Take P. H. Jackson’s Device for Plentiful Ventilation, on Harrison south of 14th Street.

jacksons-device

Somehow I don’t think it’s functioning any more. This is the same Jackson I featured two weeks ago. I found another configuration of ventilator from the Jackson company, this one with a patent date of 1893.

sidewalklights-jacksons-1893

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