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Evolution of Author's Use of Early 3D Recording Technologies - 1979 to 2007

Richard Clymer with first HP Computer Transit in North American archaeology- First deployed in the at Raritan Landing by Dr. Grossman in 1979. It was limited to angle distance measurements, had no memory, and all readings had to be hand-entered into a seperate module.

Second generation of computer Transit deployed by Dr. Grossman at the Broad St. four years after Raritan Landing - Note attached portable computer programmed to serve as a data collector and calculator to convert raw angle and distance readings into coordinates with the in-house programs written in Basic.

Photo by Joel Grossman,
Courtesy of Greenhouse Conosultants, Inc.

Rolleimetric short-distance single-camera photogrammetric system under winter shelter at West Point Foundry, 1989

2004 - Detail of Rolleimetric camera and first generation (9/2003)of the new color laser-radar system at Furnace Falls Dam, Stanhope, NJ

Joel Grossman using first Total Station with integrated data collection and conversion systems to map subtle topography across a buried 3000 year old Broadspear living surface at Fort Edward, New York.