1. It installed a offset press and added electrotyping and engraving departments. 2. He also made significant improvements in the process of electrotyping . 3. In particular, Bird's discovery is the principle behind electrotyping . 4. Electrotyping and electroforming both produce metal parts, but differ in technical details.5. In March 1840 Collen became interested in experimenting with electrotyping daguerreotype plates for printing purposes. 6. An animation of the electrotyping process was produced in 2011 by the Metropolitan Museum of Art. 7. In this use the form is typically waterproofed plaster, which remains as a core after electrotyping . 8. In 1838, he discovered galvanoplastics, or electrotyping , a method of making printing plates by electroplating. 9. Electrotyping was also used to produce entire printing plates directly from the formes composed from movable type and illustrations.10. Stereotyping had been invented around 1725, and was already well-established when electrotyping was invented in 1838.
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