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Scientific American, Vol. 98, No. 16 (April 1908) (1908)

leaf 10

An illustration from Scientific American, Vol. 98, No. 16 (April 1908), 1908, leaf 10
the reduced portion be- therein is removed. In our illustration a portion of the slot, G, when the lamp is rotated to ignite the pow- ing threaded to engage the smaller eye and the re- a truck frame is shown at A. This is provided with der, thus protecting the operator from the flare of the duced… … AN IMPROVED THILL COUPLING. This tracker board is not shown, but it will be under- ing flange which bears against the forward face of stood that the music sheet travels over the board and the journal box. Mr. Emil H. Zum Berge, of 159 .Mc- is formed between the reduced portion of the eye in when a…

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