Yes its a Sesame Street theme this week, although instead of me teaching basic vocabulary and how to count to 12 you are all going to get a lesson on early New York Central electric locomotives and DC motor control systems. Sounds fun doesn't it? The framing device for today's lesson comes in the form of a number of locomotives "preserved" in a
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Where have the photo sets gone? I'd like to find out more about these units. Thanks!
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http://palter.org/~brotzman/12-02-04_S_IS_FOR_S_MOTOR/-Thumbnails.html
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