Halley's Comet
Sunspots and Calcium Flocculi
Solar Prominences
Halley's Comet
A handwritten letter from Harry Evershed to 'Home' in response to received letters
A typed letter from Walter Maunder to Miss Orr regarding origin of constellations
Catalogue of Useful Inventions for Cotton Spinners, Manufacturers and for all textile trades
A handwritten letter from Harry Evershed to 'Mother'
A handwritten letter from Harry Evershed to 'Mother'
A handwritten letter from Harry Evershed to 'Mother'
A collection, including paper prints and a scrap album containing mostly newspaper clippings, from the Norway Eclipse Expedition
Vertical Framing for "Rapson's Slide" Model
Rapson's Slide Model - General Arrangement of Ship Structures
Album documenting the laying of two submarine cables
Album documenting the laying of the Cape Town-St. Helena-Ascension-St. Vincent submarine cable
Album documenting the laying of numerous submarine cables
Album documenting the laying of the Waterville-Canso submarine cable
Album documenting the laying of the final stage of the Mauritius-Rodriguez-Cocos-Fremantle-Glenelg submarine cable
Album documenting the laying of numerous submarine cables
Album documenting the laying of the Queensland-Norfolk Island-New Zealand-Fiji sections of the Pacific submarine cable
Album documenting the laying of the Borkum-Fayal section of the German-Atlantic submarine cable
Album documenting the laying of the Manila-Guam-Midway-Honolulu sections of the Pacific submarine cable
Album documenting the laying of numerous submarine cables
Scribbling Book Volume IX
The Tower Bridge
Alterations to stairs above roadway arch
Temporary staging
Loads of West Wall of Gen. Steam Nav Co.s Warehouse at Ironsgate Stairs
Interlocking Electric Indicators worked by policemen at North and South approaches
Sketch of Tower Bridge Hoists showing arrangement of locking gear by which the outer gate must be locked before door of cradle can be closed
Long service certificate awarded to William Howard
Northern Abutment
Scribbling Book Vol XI. Drawing Office.
Lantern slides of views across Trafalgar Square
'The photographic camera as an aid for exploration record and measurement' by J. Bridges Lee
An edition of 'The Builders Journal and Architectural Record' Vol. XIV, No. 362
An edition of 'The Photogram' journal vol. 2 no. 17
An edition of 'The Photogram' journal vol. 5 no. 50
A summary of the New Phototheodolite instrument designed by Bridges-Lee and constructed by L. Cassella London
A series of views overlooking Trafalgar Square, London and a map showing the position of the instrument stations
A summary of Bridges-lee's qualifications and fields of interest
Letters patent document for patent 21,117
'A.Parkes, Iron and other alloys, 1870, antimony, copper, tin, zinc'
Patent specification for patent number 21,117
Detailed notes on experimental steel production and characteristics made at John Brown and Co. Sheffield
Patent specification for patent number 11,958
Notebook containing records with details of meetings and discussions, patent filing, progress wth patent application and manufacture of instruments
Notes on castings of copper, steel and other iron alloys made in Sheffield
