Find your 3d measuring arm easily amongst the 38 products from the leading brands (HEXAGON, Nikon, FARO, ...) on DirectIndustry, the industry specialist for your professional purchases.
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For some good general notes on designing spacecraft in general, read Rick Robinson's Rocketpunk Manifesto essay on Spaceship Design 101.Also worth reading are Rick's essays on constructing things in
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Van Natta Forestry and Logging site. Hands on descriptions and photos of both historic logging machinery as well as contemporary forestry practices. A Virtual museum of forest harvesting technology.