Historic scientific instruments held by the Department of Mechanical Engineering and Engineering Mechanics, Michigan Technological University, Houghton, MI, USA.

Collection Items

Physical Description: The Radiotron is a tall glass tube that stands 41cm high. The total width of the Radiotron is 25cm. The main glass sphere has a diameter of 18.34 cm. Attached to one side of this sphere is a tubular piece that has an outside…

American Thompson Steam Gauge
Physical Description:The Thompson Improved Steam Indicator comes in a dark stained wooden box   285mm wide, 207mm deep, and 240mm tall.  It opens about halfway up its height to reveal a number of objects.  The box, as well as various components, are…

4242 compensating polar planimeter
Physical Description: The Keuffel and Esser polar planimeter is composed of two individual pieces. One being the main body, and the other a tracer arm. Both sections are comprised of tarnished silver square rods with black markings indicating…

Weston D.C. Voltmeter, Model 45
Front face with lid opened:

Knobs: Toward the top of the box on the front face, there are 3 screw knobs (two on the left, one on the right). Each dial has a knurled surface, and when unscrewed, reveals a metal electrical lead. Above the knobs…

Wang Laboratories Model 370 Programming Calculator
A rectangular shaped (304.4 Length X 165.1Width X 355.6 Height mm) device. This frame is made of metal that is painted everywhere except the stainless steel bottom. The front of the calculator contains a panel and display board. The panel holds 56…

Pickett Model N600-ES Log Log Speed Rule
Physical Description:
The Pickett Model N600-ES Log Log slide rule is constructed using three yellow painted aluminum bars. The “ES” in the model name means “Eye-Saver” and refers to the yellow painted construction. The two outer bars are called the…
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