1 item Envelope from Prudence Nightingale (nee Hackworth), Leamington to Thomas Greener Tulse Hill Gardens, London
7 items Letter from an unknown sender, Dowlais Iron Works, Merthyr Tydril to John Wesley Hackworth, Darlington Engine Works
4 items Letter from an unknown sender, Dowlais Iron Works, Merthyr Tydril to John Wesley Hackworth Engine Works, Darlington
1 item Specification no. 103 John Wesley Hackworth, Ventilating and Working Mines, and Utilising the Gases Obtained from Mines
1 item Patent no. 103 John Wesley Hackworth, Ventilating and Working Mines, and Utilising the Gases Obtained from Mines
1 item Envelope from an unknown sender in St John’s Wood to John Wesley Hackworth, Consulting Engineer, Darlington
1 item Envelope from an unknown sender in Northallerton to Jane Young (nee Hackworth), Cross Bank, Batley
Correspondence on Science and Art Department's use of Western Galleries and Treasury decision on vacation of premises. Printed memorandum on Museum Collections in 1851 Exhibition Galleries. Consideration of fire protection for National Portrait Gallery and access to Albert Hall. Buildings
Correspondence and minutes on Museum's relinquishment of Southern Galleries, necessity for continued occupation of Western Galleries, acquisition of accommodation in French annexe. Allocation of space for National Portrait Gallery. Buildings
