An edition of 'The Photogram' journal vol. 2 no. 17
A series of views overlooking Trafalgar Square, London and a map showing the position of the instrument stations
Drawings of the phototheodolite
Lantern slides of views across Trafalgar Square
An edition of 'The Photogram' journal vol. 5 no. 50
Notebook containing records with details of meetings and discussions, patent filing, progress wth patent application and manufacture of instruments
An edition of the 'Journal of the Society of Arts' No. 2578, Vol. 1
'Photography as an aid to the exploration of new countries' by J. Bridges Lee
A summary of the New Phototheodolite instrument designed by Bridges-Lee and constructed by L. Cassella London
Documents in French relating to Lee's invention
A glass plate negative of a view across Trafalgar Square featuring 'Morley's Hotel'
A glass slide image showing a map of Trafalgar Square
'The photographic camera as an aid for exploration record and measurement' by J. Bridges Lee
A glass plate negative of a view across Trafalgar Square featuring the National Gallery
A summary of Bridges-lee's qualifications and fields of interest
A glass plate negative of a view across a lake
A glass plate negative of a view across Trafalgar Square
An edition of 'Nature' Vol. 66, No. 1705
Letters patent document for patent 14,460
Patent specification for patent number 21,117
Patent specification for patent number 14,460
Letters patent document for patent 11,958
'Photographic Surveying Apparatus' notes
Letters patent document for patent 21,117
