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Documents relating to the design of William Congreve's hydro-pneumatic locks on the Regents Canal, 1812-1814. [17 items. Relating to the unsuccessful design of a canal lift by William Congreve and including a letter from Congreve to Henry Maudslay, descriptions by Congreve of the working of the lock, draft letters from Maudslay & Co. to the Canal company, estimates etc.]

Documents relating to the design of William Congreve's hydro-pneumatic locks on the Regents Canal

1812-1814

Notes on individual stereoscopic cards, four sheets

Notes on individual stereoscopic cards

Notes on individual stereoscopic cards

Notes on individual stereoscopic cards

Solution of manuscript ophthalmological case notes, some on headed paper with the address 181, Croydon Road, Anerely, England, 1920-1940. Patients names can be seen on a number of the separate notes.

Solution of manuscript ophthalmological case notes

5 sheets of manuscript notes, with diagrams, concerning tests for the balance of ocular muscles, possibly belonging to T.H. Bickerton, 1880-1920

5 sheets of manuscript notes

1880-1920

[Mathematical manuscript, from a course of lectures, in three volumes] / Wm. Booth. 1816. [Course (unidentified) covers geometry, trigonometry, algebra, surveying, weights and measures, calculating of interest and currency exchange rates etc. The volumes contain many colour wash illustrations relating to mathematical problems set; one bears 'Wm Booth pinx']

Mathematical manuscript

1816-1817

Engraved portrait of Daguerre with biographical leaflet published by Galerie de la Presse de la litterature et des Beaux-Arts, Paris 1839

Engraved portrait of Daguerre with biographical leaflet