School of Technology


Historic scientific instruments held by the Surveying Department of the Michigan Technological University School of Technology, Houghton, MI, USA.

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Collection Items

Pendulum Astrolabe
Physical Description: The instrument is situated on a gray base that is 34 cm long x 21.5 cm across x 1cm high. The object is able to rotate on this base to make the viewing of objects easier. The instrument consists of two eyepieces and two lenses,…

Surveying Transit
Physical Description:The transit is broken up into three different layers. Starting at the base, there is a opening in the bottom allowing the device to be fixed to a tripod, or legs as they were referred to by Gurley, the creator of the transit. (1)…

Riehle Tensile Test Machine (2296 ALT)
Physical Description: This civil engineering instrument stands at 3 feet 2 inches tall. This machine consists of a base with the dimensions 13.75" x 9.5" x 3.5", a ground stand, and a lowercase “r” shaped frame. The frame holds a scale arm with an…
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