The practical electroplater A comprehensive treatise on electroplating, with notes on ancient and modern gilding, and formulas for new solutions . Blackleading Machine. TO THE PRINTER. i99 plenty of light, and contain all the material necessary forfinishing, mounting and repairing the plates. To the Printer. All quadrats, leads and furniture should be high, ifpossible. Low material is used in offices having no highquads, &c; but greater care is necessary and more time. Electrotype Furnace. consumed in cutting down the displaced wax on the labor is also required on the electrotypes, a


The practical electroplater A comprehensive treatise on electroplating, with notes on ancient and modern gilding, and formulas for new solutions . Blackleading Machine. TO THE PRINTER. i99 plenty of light, and contain all the material necessary forfinishing, mounting and repairing the plates. To the Printer. All quadrats, leads and furniture should be high, ifpossible. Low material is used in offices having no highquads, &c; but greater care is necessary and more time. Electrotype Furnace. consumed in cutting down the displaced wax on the labor is also required on the electrotypes, and theplates are not so perfect as when high material is used. White and copper faced type should not be used in thesame form, as the deposit of copper on the type, be it ever zoo THE PRACTICAL ELECTROPLATER. so thin, thickens the fine lines and causes a variation intheir height, which is sure to be reproduced in the plate. The process of copperfacing type differs from that ofelectrotyping in a very important point. In the electro- Electrotypers Saw. type the atoms of copper attach themselves to and dupli-cate the smooth face of the mold, and this smooth facedduplicate becomes the printing surface. But in copper- TO THE PRINTER. 201 facing these atoms attach themselves to the smooth sur-face of the types and adhere thereto, leaving the rough,granular upper side of the deposit as the printing surface. When the matter occupies only a portion of a page, orthe line


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisheretcetc, bookyear189