Pittsburg W.P. Co.

We have 12 objects that Pittsburg W.P. Co. has been involved with.

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<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/34624601/ |title=Pittsburg W.P. Co. |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=18 April 2024 |publisher=Smithsonian Institution}}</ref>