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Engineering drawings for 500 nhp side-lever steam engines completed by Robert Napier & Co. for pioneer transatlantic steamer 'British Queen'
The Ellis Collection of Daguerreotypes of Italy
158 daguerreotypes in original cabinet, 1 box containing Ellis's photography notes, 1 box containing copy negatives, 1 box containing conservation materials
Collection of documents relating to the Portsmouth-to-Admiralty semaphore line designed by Sir Home Riggs Popham
Pages from The Kaleidoscope Periodical, "being a Biographical Sketch of that celebrated Aeronaut, [William Wyndham Sadler] and a narrative of the events which led to the melancholy catastrophe of his death"
Trains and vertical motions of the wheels and axes of the right, middle and left groups of Plan 28a for division as performed in working Notation 290. Sheet 1 of 4.
Addition and subtraction. Multiplication by stepping without table (to be done in store). Division by powers of ten (stepping done in store).
Cases of division to illustrate the method of selecting with the half zero apparatus. Sheet 1 of 2.
First arrangement of the verticals for one barrel to do approximative multiplication. Notation 268. Sheet 1 of 2.