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![[Photo] The pole gutters on the roof at 757 Swanson Street in 1868, Philadelphia, Pennsylvania [Photo] The pole gutters on the roof at 757 Swanson Street in 1868, Philadelphia, Pennsylvania](gutters3a.jpg)
The pole gutters on the roof at 757 Swanson Street, Philadelphia in 1868 divert rainwater to a short cylindrical downspout. Moisture damage is evident on the wall of the building below the end of the pipe where there is no downspout extension. (Print & Picture Collection, The Free Library of Philadelphia)