From American Philosophical Society: Bond and Mortgage (unpublished)
[Philadelphia, November 20, 1787]

Know all Men by these presents That the American Philosophical Society held at Philadelphia for promoting useful knowledge are held and firmly bound unto His Excellency Benjamin Franklin Esquire Doctor of Laws of the said City of Philadelphia in the sum of One thousand pounds in specie Gold and silver lawful Money of Pennsylvania to be paid to the said Benjamin Franklin his certain Attorney Executors Administrators or Assigns, To which payment well and truly to be made the said American Philosophical Society held at Philadelphia for promoting useful knowledge do bind themselves, and their successors firmly by these presents, dated the twentieth day of November, in the year of our Lord, one thousand seven hundred and eighty seven, and sealed with the seal of the said society.

The Condition of this obligation is such that if the above bounden American Philosophical society held at Philadelphia for promoting useful knowledge, or their successors, or any of them, shall and do well and truly pay, or cause to be paid unto the named Benjamin Franklin his certain Attorney Executors Administrators or Assigns, the just sum of Five hundred pounds in specie Gold and Silver lawful Money of Pennsylvania on the Twenthieth day of November next with lawful Interest for the same, without any fraud, or further delay, then the above Obligation to be void, or else to be, and remain in full force and Virtue.

Endorsed: £ 30.0.0 Recd. Feb. 7. 1789 of Francis Hopkinson Esqr. Treasurer of the Philosophic Society Thirty pounds for One Years Interest of the within Bond, pd me. B. Franklin £ 67.10.0 Recd. February 24th 1791. of Mr. John Vaughan Treasurer of the Philosophic Society Sixty Seven pounds ten shillings for two years & one quarters Interest of the within Bond. Rich Bache £30.0.0 Recd. Feb. 24th 1792 of do. a year’s Interest. Rich. Bache £30.0.0 Recd. Feby. 26 1793 of do. a year’s Interest. Benjn. Franklin Bache £ 30.0.0 Recd. March 4, 1794 of do. do. Rich Bache £30.0.0 Recd. Febry. 10th 1796 of do. do. Rich Bache £ 30.0.0 Recd. April 12 f do. do. Rich Bache
Notation: Bond. The American Philosophical society held at Philadelphia In promoting useful knowledge to His Excellency Benj. Franklin This Indenture made the day of November, in the year of our Lord, one thousand seven hundred and eighty seven, Between The American Philosophical Society held at Philadelphia for promoting useful knowledge of the one part And His Excellency Benjamin Franklin Esquire Doctor of Laws of the said City of Philadelphia, and state of Pennsylvania of the other part, Whereas the said American Philosophical Society held at Philadelphia for promoting useful knowledge by their certain Bond or Obligation bearing even date with these presents, stand bound unto the said Benjamin Franklin his Executors Administrators and Assigns in the sum of One thousand pounds in specie Gold and silver Lawful Money of Pennsylvania, conditions for the payment of the sum of Five hundred pounds like Money with Interest on the Twentieth day of November Next Now in order for the better and further securing the payment of the said sum of money and Interest on the day of payment mentioned in the said obligation and for and in consideration of the sum of five shillings Money aforesaid to the said American Philosophical Society held at Philadelphia for promoting useful knowledge paid by the said Benjamin Franklin, the said American Philosophical Society held at Philadelphia for promoting useful knowledge have granted bargained sold and confirmed and by these presents do grant bargain sell and confirm unto the said Benjamin Franklin his Heirs and Assigns All that certain Lot or piece of Ground, situate on the North side of Arch street between seventh and eighth streets from Delaware, in the said City of Philadelphia, containing in front, on Arch street aforesaid forty feet and in length or depth threee hundred and six feet, bounded on the East by Ground of David Rittenhouse (which Lot the said Society bought of Francis Hopkinson Esquire.) together with all and singular the ways Waters Water courses Liberties Privileges and Appurtenances. Also all and singular the Cellers or Ground floor and such other parts of the Building as may be rented by the said Philosophical Society of, or in part of a certain Brick Messuage or Hall erected on a piece of Ground part of the public Square on which the State House is built in the said City of Philadelphia, and which piece of Ground was granted to the said American Philosophical Society held at Philadelphia for promoting useful knowledge, by Acts of Assembly of the Commonwealth of Pennsylvania for the purpose of erecting the said Hall or Building together with the Rents, Issues and profits due; and to be come due from or out of the said Cellers, or Ground Floor and such other parts of the said Building or Hall as may be rented by the said Society and the free use and possession thereof, And all the Estate Right Title Interest property claim and demand whatsoever of the said American Philosophical Society held at Philadelphia for promoting useful knowledge of into, or out of the said first described Lot of ground, and the said Cellars and other parts of the said Hall or Building and Premises, with the Appurtenances thereunto severally and respectively belonging To have and to hold the said first described Lot of Ground and the said Cellers and herein before described parts of the said Hall or Building with the Appurtenances, and the Rent issues and profits of the said Cellars, and herein before described parts of the said Hall or Building unto the said Benjamin Franklin his Heirs and Assigns to their only proper use benefit and behoof for ever provided always nevertheless that in case the said American Philosophical Society held at Philadelphia for promoting useful knowledge shall and do well and truly pay or cause to be paid to the said Benjamin Franklin his executors Administrators or Assigns the just and full sum of Five hundred pounds Lawful Money aforesaid with lawful Interest for the same ofn the Twentieth day of November which will be in the year of our Lord one thousand seven hundred and eighty eight, according to the conditions of the said herein recited Obligation, theat then, and in such case this Indenture shall be void, and of none effect any thing herein contained to the tontrary thereof not withstanding In Witness whereof the said American Philosophical Society held at hiladelphia for promoting useful knowledge, have caused the Seal of the said Society to be affixed, and these presents to be Witnessed by the Vice Presidents and secretaries of the said society.
John Ewing V.P.
Wm. White
Davd. Rittenhouse
James Hutchinson
Sam. Magaw
John Foulke

We the Undersignd Certify that the above Mortgage was Executed on the twentieth day of November One thousand Seven hundred & Eighty Seven Witness our hands 5th March 1791

John Ewing V.P.
Davd. Rittenhouse
Wm. White
James Hutchinson
Sam. Magaw
R. Patterson
John Foulke

Witness Andrew Werner. Recorded in the Office for Recording of Deeds &ca. for the City and County of Philadelphia in Mortgage Book No 7 Page 300.

Witness my hand and seal of Office
the 26th April 1791
Math: Irwin
Notation: Mortgage: the American Philosophical society held at Philadelphia for promoting useful Knowledge to His Excellency Benjn. Franklin
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