A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Description of stereo camera developed by Laval Underground Surveys Co, Fresno, Calif, specially for photographing of sewer lines and deep wells; use of camera for obtaining exact location and status of breaks or failures or overall condition of underground pipe.
Description of stereo camera developed by Laval Underground Surveys Co, Fresno, Calif, specially for photographing of sewer lines and deep wells; use of camera for obtaining exact location and status of breaks or failures or overall condition of underground pipe.
Underground photographic surveys
Water Sewage Works
Sortor, C.H. (author)
Water and Sewage Works ; 105
1958
3 pages
Article (Journal)
English
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