And be it enacted, That nothing contained in this Act, or to be contained in any Covenant, Contract, Lease, or other Instrument hereby authorized to be entered into, made, taken, or executed by the said principal Officers or any of them, shall extend to charge the Person or Persons of all or any of the said principal Officers executing any such Covenant, Contract, Lease, or other Instrument, or the Heirs, Executors, or Administrators of the same principal Officers, or any of them, or their or any of their own proper Lands, Tenements, Goods, or Chattels, with or for the Performance of all or any of the Covenants, Conditions, or Agreements in the same Covenant, Contract, Lease, or other Instrument to be contained on the Part of the same principal Officers, or any of them, nor shall any Officer of Her Majesty's Ordnance be personally liable, nor shall the Property of any such Officer be liable, to any legal Process or Execution in such Actions, Suits, Arbitrations, or other Proceedings as aforesaid.