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University Organizations.

Harvard Engineering Society.

The Engineering Society was addressed last evening by Mr. A. H. Johnson on "Railroad Signalling." The lecture was given in the Jefferson Physical Laboratory and was well attended. After a few introductory remarks the speaker gave a short history of railroad signalling and then proceeded to illustrate the modern methods of signalling. The immense strides which have recently been made in this work are mostly due to the application of electricity. If an equal amount of progress can be made in the next few years, a railway accident will practically become an impossibility.

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