Kingdom.] Class 6—MANUFACTUEING MACHINES AND TOOLS.
__ North Areas A. B. 10 to 31; C. D. E. 1 to 10, & 19 to 33 ; G. II. 25, 26.
Fig. 12.
Whitworth’s Patent Screwing Apparatus.
202 Foster, T., Manchester —Inventor.
Apparatus for preserving the surface of copper rollersau <l steel dies, with a coat of etching ground, so as toI e sist the action of nitric-acid, for the purpose of deepen-ln g the engraving.
203 Lyons, Morris, 143 Suffolk Street, Birmingham ,—Inventor.
Apparatus and specimens to illustrate the process of.' n g'd electro-plating, gilding, electro-engraving, and•-position of copper for the formation of tubes. This1 iocess differs from others, in at once depositing the metal
in a bright state, requiring no after polishing. Hence itis particularly adapted for embossed works of art. The eco-nomy of this process consists in its requiring less battery-power, and a smaller consumption of the precious metal.
[Bright electro-plating has been effected by mixing afew drops of the sulphuret of carbon with the silver orgold solution in the precipitating trough.—E. H.]
204 Sharp Brothers, Manchester —Inventors.
Powerful self-acting planing machine; represented inthe following engraving.
Sharp’s Powerful Self-acting Planing Machine.
205 Mordan, Sampson, & Co., City Road
Manufacturers. _
Bright, steel fire-proof jewel-box, decorated with or-motu
ornaments. . . . .
Carved inkstand, inlaid with pearl and gilt ink-glassattached, with gold pen. „ , - n _
Large frame containing an assortment of eveiy do Tion of gold pens, aud gold pen-holders.
Complex self-acting rose engine and tracing macmiie.Combination copying and scat-press, on a stand; winclicombines the double purpose of a seal or embossing-press,
‘ a copying-press.
206
Muir, William, Salford, Manchester —Manufacturer.
Amateur foot lathe, slide rest, eight gun-metal chucks,joiner’s bench, tool-chest, and German cramp.
Large and small patent coffee-mill for grocers audprivate use.
Screw embossing press, for stamping envelopes, withdies, sets of alphabets, &c.
Lever embossing presses, for embossing crests, Sec.
Copying presses.
Screw-stocks, taps, master-taps, aud tap-wrenches.
Machine taps and hand-screw tools.
Z 2