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Scientific American, Vol. 40, No. 8 (1879) (1879)

leaf 7

An illustration from Scientific American, Vol. 40, No. 8 (1879), 1879, leaf 7
the recording mechanism, is the wheels, D, touch the paper on which the lines are tobe is forked to receive a tapering tongue, whose pivot is ar- Mr. J. F. Christian, of Nurnberg, Germany, has devised a strument is now moved forward, by rolling the milled portion its own weight, assume a position… … against the breaking of the knives, is the in- disposed plows, H, fixed to adjustable stand- vention of Mr. P. Cardiff, of Marshfield, Ore- ards, G, guided by the plates, E, which are COUSINS’ PARALLEL RULER. bolted to the forward end of the main frame. gon. An improvement in brick machines, in-…

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