[A Portraiture of the City Philadelphia in the Province of Pennsylvania . . .] (Holme, Thomas, 1683) Frederick Graff Collection, Franklin Institute. Local ID #: GR.II.01
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[A Portraiture of the City Philadelphia in the Province of Pennsylvania . . .] (Holme, Thomas, 1683) Frederick Graff Collection, Franklin Institute. Local ID #: GR.II.02
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[Ground Plan Of Centre Square Engine House] (Graff, Frederick, Sr., 1799) Frederick Graff Collection, Franklin Institute. Local ID #: GR.III.01
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[To the Citizens of Philadelphia, This New Plan Of the City of Philadelphia and Environs Taken From Actual Survey] (Paxton, John A., 1811) Frederick Graff Collection, Franklin Institute. Local ID #: GR.II.05
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[To the Citizens of Philadelphia, This New Plan Of the City of Philadelphia and Environs Taken From Actual Survey] (Paxton, John A., 1811) Frederick Graff Collection, Franklin Institute. Local ID #: GR.II.06
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[Designs For the Fair Mount Water Works] (Graff, Frederick, Sr., 1813) Frederick Graff Collection, Franklin Institute. Local ID #: GR.IV.01
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[Designs For the Fair Mount Water Works] (Graff, Frederick, Sr., 1813) Frederick Graff Collection, Franklin Institute. Local ID #: GR.IV.01
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[East Elevation of Engine Building] (1813) Frederick Graff Collection, Franklin Institute. Local ID #: GR.IV.10
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[East Elevation of Engine Building] (1813) Frederick Graff Collection, Franklin Institute. Local ID #: GR.IV.10
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[Draught presented by the watering committee for the considerationof the Schuylkill Navigation Company for the Canal at Fairmount] (1819) Frederick Graff Collection, Franklin Institute. Local ID #: GR.IV.02
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[Draught presented by the watering committee for the considerationof the Schuylkill Navigation Company for the Canal at Fairmount] (1819) Frederick Graff Collection, Franklin Institute. Local ID #: GR.IV.02
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[Section Through the Engine House Of the Centre Square Waterworks, Philadelphia.] (Graff, Frederick, Sr., c. 1827) Frederick Graff Collection, Franklin Institute. Local ID #: GR.III.02
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[Chart Of the River Schuylkill] (McClure, David, Surveyor; Tanner, B., Engraver, 1828) Frederick Graff Collection, Franklin Institute. Local ID #: GR.II.08
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[Map Of the City Of Philadelphia] (Simons, J., 1831) Frederick Graff Collection, Franklin Institute. Local ID #: GR.II.09
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[Centre Square Waterworks, Steamboiler.] (Graff, Frederick, Sr., 1848) Frederick Graff Collection, Franklin Institute. Local ID #: GR.III.05
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[Map Of Farms and Lots Embraced Within the Limits of Fairmount Park] (1868) Frederick Graff Collection, Franklin Institute. Local ID #: GR.II.11
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[Map Of the Survey of Wissahickon Creek] (Cresson, John, Surveyor;Linton, S.B., Engraver, 1868) Frederick Graff Collection, Franklin Institute. Local ID #: GR.II.10
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Frederick Graff Collection, Franklin Institute. Local ID #: GR.VII.10
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Frederick Graff Collection, Franklin Institute. Local ID #: GR.VIII.12
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Frederick Graff Collection, Franklin Institute. Local ID #: GR.VIII.13
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Frederick Graff Collection, Franklin Institute. Local ID #: GR.VIII.13
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Frederick Graff Collection, Franklin Institute. Local ID #: GR.VIII.15
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Frederick Graff Collection, Franklin Institute. Local ID #: GR.VIII.15
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[Art Supplement to Appleton's Journal: Fairmount Philadelphia. With View from Columbia Bridge] Frederick Graff Collection, Franklin Institute. Local ID #: GR.V.65
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[Bill for One Wheel: Bill for One Fore Bay Breasting by F. Graff] Frederick Graff Collection, Franklin Institute. Local ID #: GR.V.45
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[Bill for One Wheel: Bill for One Fore Bay Breasting by F. Graff] Frederick Graff Collection, Franklin Institute. Local ID #: GR.V.45
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[Bill of Scantling For Water Wheels No. 7 and 8: Section of Wheel Other Side by F. Graff] Frederick Graff Collection, Franklin Institute. Local ID #: GR.V.44
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[Bill of Scantling For Water Wheels No. 7 and 8: Section of Wheel Other Side by F. Graff] Frederick Graff Collection, Franklin Institute. Local ID #: GR.V.44
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[Boilers in Centre Square and Schuylkill Engine Houses] (Graff, Frederick, Sr.) Frederick Graff Collection, Franklin Institute. Local ID #: GR.III.06
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[Boilers in Centre Square and Schuylkill Engine Houses] (Graff, Frederick, Sr.) Frederick Graff Collection, Franklin Institute. Local ID #: GR.III.07
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