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Scientific American, Vol. 69, No. 12 (1893) (1893)

leaf 4

An illustration from Scientific American, Vol. 69, No. 12 (1893), 1893, leaf 4
and An improved binding post for insertion in gas fix- The stall shown in the illustration is designed to en- tures, for making connections between the house wires and the burner wires, is shown in the engraving, and The improvement has been patented has been patented by Mr. Arnold Kohl, of… … A STEEL PEN EXHIBIT AT THE FAIR. platinum, making italmost as hard as diamond, One can readily believe that even so small an article it will last many years. The stylographic nen carries ink in the holder the same as the as an ordinary steel pen may be the basis of an in- are preferably built in…

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