An Improved Writing Fluid

4447. Smith, F. P., and Beswick, G. F. Feb. 23. Ink.-Relates to a copying-ink which will remain wet on the paper for some time, and by which a copy may be taken on copying-paper without damping the latter previously. The ink consists of logwood water, nut gall, perchloride of iron, glycerine, and ro...

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Hauptverfasser:	GEORGE FREDERICK BESWICK, FRANCIS PHELAN SMITH
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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