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© The New York Public Library, 2024
The New York Public Library is a 501(c)(3) | EIN 13-1887440
Catalogue 'G,': illustrating the Plumbing and Sanitary Department of the J.L. Mott Iron Works
General Research Division, The New York Public Library. "Demarest's Patent Syphon Water Closets, the 'Monarch' amd 'Warwick.'" The New York Public Library Digital Collections. 1888. https://qa-digitalcollections.nypl.org/items/510d47db-d062-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. "Demarest's Patent Syphon Water Closets, the 'Monarch' amd 'Warwick.'" New York Public Library Digital Collections. Accessed December 18, 2024. https://qa-digitalcollections.nypl.org/items/510d47db-d062-a3d9-e040-e00a18064a99
General Research Division, The New York Public Library. (1888). Demarest's Patent Syphon Water Closets, the 'Monarch' amd 'Warwick.' Retrieved from https://qa-digitalcollections.nypl.org/items/510d47db-d062-a3d9-e040-e00a18064a99
<ref name=NYPL>{{cite web | url=https://qa-digitalcollections.nypl.org/items/510d47db-d062-a3d9-e040-e00a18064a99 | title=
(still image)
Demarest's Patent Syphon Water Closets, the 'Monarch' amd 'Warwick.', (1888)
|author=Digital Collections, The New York Public Library |accessdate=December 18, 2024 |publisher=The New York Public Library, Astor, Lenox, and Tilden Foundations}}</ref>