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Scientific American, Vol. 88, No. 13 (1903) (1903)

leaf 11

An illustration from Scientific American, Vol. 88, No. 13 (1903), 1903, leaf 11
C are secured at one be placed. On the left side of the chair, but not It has occurred to Mr. M. L. Hinchman, of 175 Grove shown in our illustration, is a matchbox 4 Street, Rutland, Vt., that the best way to detect the and an ash receiver, which may be swung unauthorized opening of letters is to… … automatically registered at intervals, instead of hav- its edges, which are adapted to fit into grooves in the ing to go out and make the observation personally, as body of the car step, thus protecting the interioy, he has been compelled to do heretofore. A long cable operative parts of the device…

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