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ALUMNI

DEPARTMENT HISTORY


 

It is interesting to note that in the catalog(ue)s, separate mention is made of the course offerings of the Mathematics Department and of the Physics Department (which also taught the mechanics classes) even though, with only a small number of exceptions, a single group of faculty was responsible for the entirety of those courses up until the mid-1940's. That is, academically the two departments were presented as separate entities though administratively they were one.

Early research included unpublished experimentation with the newly discovered x-rays. The faculty learned to make their own tubes for this work with public demonstrations in the spring of 1896, less than one year after Roentgen’s 1895 article. While it is unclear what research was done, Fisher had significant "burns" on his hands which he attributed to early x-ray exposure since, in Fisher’s words, "nothing was known in the early stages of the destructive action which x-rays have on animal tissue."

The Tamarack Mine Experiments

Man Car PhotoThe mine shafts which existed in the vicinity of the College provided a unique opportunity for physics research. This was particularly so for the Tamarack Mine shafts which were vertical and almost a mile deep. In 1901 the Physics faculty (McNair, Fisher, Osborne, and Grant) along with John B. Watson, chief engineer, and George Slock, assistant engineer, of the Tamarack mining company,* began experiments using long pendulums (pendula) as plumb bobs in the #2, #4, and #5 shafts of the Tamarack Mine. The goal of these measurements was to transfer a reference line from the surface to aid future horizontal drilling operations. Being physicists, one of the first results which shows up in the lab notebook is the period of the pendulum, a result which is largely irrelevant for use as a plumb bob.

The first pendulums were made with #24 steel piano wire and 50 pound cast iron weights and were hung 4,250 feet down shaft #5. The period of these pendulums was 70 seconds. The weight actually stretched the wire about 15 feet. For some measurements the weights were placed in oil or water to help damp the motion though this was insufficient to completely stop the motion.** They typically used multiple measurements of the oscillating pendulums "as in the method of determining the zero point of a balance by observing the oscillations of its pointer," rather than waiting for the motion to stop.


* Both Watson and Slock had Engineer of Mines (EM) degrees from the Michigan Mining School: Watson in 1895 and Slock in 1896.

** the extra buoyancy due to the oil caused the wires to shorten about 25 inches, a result which was considered "rather striking."

 

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