Davis's Manual of Magnetism: Including Also Electro-magnetism, Magneto-electricity, and Thermo-electricity. With a Description of the Electrotype Process. For the Use of Students and Literary Institutions. With 100 Original Illustrations
Daniel Davis, jr., magnetical instrument maker, No. 11 Cornhill., 1842 - Electromagnetism - 217 pages
"The book contains a full description of the electrotype process, critical to many subsequent photomechanical patents and methods...The electrotype process was important in photomechanical printing in that it was first used to copy daguerreotypes and was also used in experiments as a printing surface. Eventually Paul Pretsch used it with his photo-galvano-graphic process, and it was used continuously thereafter as a device to duplicate surfaces for printing in practically all the relief processes and some intaglio."--Hanson Collection catalog, p. 8.
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acid action Air Pump antimony Apparatus arch armature arrangement axis Ball bar magnet battery current binding screw cups bismuth blue vitriol brass breakpiece circuit conductor connected current of electricity cylinder deflected described dipping needle Double Helix earth electrical current electro-magnet Electrotome electrotype experiments extremities galvanic battery galvanic current galvanometer German silver Glass heat horizontal inches increased induced influence instrument insulated intensity iron bar iron wires junction Leyden jar magnetic needle magnetic pole magneto-electric Mahogany mercury metal motion mould north pole obtained opposite direction Page's Revolving pairs of plates passing placed polarity pole-changer position Price of Set produced quantity repelled represented in fig reversed Revolving Armature right angles ring rotation secondary current sewing needle shown side Sliders Sliding soft iron soldered solution south pole stand steel magnet surface thermo-electric tion tricity tube vertical wheel wire coil zinc zinc plate