Brock & Weymouth Photogrammetric Mapping Equipmentby Alfred O. Quinn, (F.ASCE), Pres.; Quinn & Assocs., Horsham, Pa.,
Serial Information: Journal of the Surveying and Mapping Division, 1977, Vol. 103, Issue 1, Pg. 47-52
Document Type: Journal Paper
The Brock and Weymouth Mapping Instruments which were designed and built in Philadelphia in the early 1920's were a unique development. The Brock Process started a new era in American surveying and was the forerunner for many currently used photogrammetric methods.
Subject Headings: Photogrammetry | Mapping | Equipment and machinery | Pennsylvania | Philadelphia | North America | United States
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