Shelfmark

Csl.2


Maker

L. Casella


Subjects

Theodolites--Design and construction.; Surveying; Photography


Title

Description of the Bridges-Lee new patent photo-theodolite. 2nd ed. [facsimile]


Description

The instrument is presented as specially designed to give true photographic perspectives, always in a vertical plane and at constant distance. It has a purpose-designed mechanism inside the camera for recording on the negative all or nearly all the information necessary for interpreting the picture.
A detailed description of the instrument follows; instructions for use follow under these headings:-
A. Choice of camera stations;
B. Manipulation of the photo-theodolite at the camera stations;
C. Special notes relating to the preparation of photographs for
surveying purposes;
To use the photographs for plotting the ground plan;
Contour lines;
Information which can be gathered from the study of a single
photograph;
A selection from L. Casella’s general catalogue


Earliest Date


Latest Date


Pages

32


Address

147, Holborn Bars, London E.C.


Other Makers


Cat no

No. 203


Contents List


Hardback


Prices


Index


Illustrations

Yes


General Ref


FM:22517