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" ... considerably shortened by applying a very gentle heat, for a few minutes, to the under surface of the plate. The heat must on no account be so great as to volatilize the mercury. "
The Annals of Electricity Magnetism and Chemistry and Guardian of ... - Seite 49
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The Mechanic's Magazine, Museum, Register, Journal and Gazette, Band 37

1842
...plate of metal in a closed box, prepared for generating the vaponr of mercury. The vapour is to be slowly evolved, and in a few seconds the picture will begin to appear ; the vaponr of mercury attacks those parts which correspond to the white parts of the printed page or engraving,...
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Annals of Chymistry and Practical Pharmacy, Band 1,Ausgaben 1-18

1843
...plate of metal in a closed box, prepared for generating the vapour of mercury. The vapour is to be slowly evolved, and in a few seconds the picture will...page or engraving, and gives a very faithful, but somewhat indistinct, image. The plate is now removed from the mercurial box, and placed into one containing...
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The Year-book of Facts in Science and Art

1843
...plate of metal in a closed box, prepared for generating the vapour of mercury. The vapour is to be slowly evolved, and in a few seconds the picture will...page or engraving, and gives a very faithful, but somewhat indistinct image. The plate is now to be removed from the mercurial box, and placed in one...
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The Chemist, Band 4

1843
...the plate of metal in a closed box, prepared for generating the vapor of mercury. The vapor is to be slowly evolved, and in a few seconds the picture will begin to appear ; the vapor of mercury attnrks those parts which correspond to the white parts of the printed page or engraving,...
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Journal of the Franklin Institute

1843
...the plate of metal in a closed box, prepared for generating the vapor of mercury. The vapor is to be slowly evolved, and in a few seconds the picture will begin to appear; the vapor of mercury attacks those parts which correspond to the white parts of the printed page or engraving,...
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Encyclopædia metropolitana; or, System of universal knowledge, Band 16

Encyclopaedia - 1851
...plate of metal in a closed box, prepared for generating the vapour of mercury. The vapour is to be slowly evolved, and in a few seconds the picture will...printed page or engraving, and gives a very faithful but somewhat indistinct image. The plate is now removed from the mercurial box, and placed into one containing...
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Photography: A Treatise on the Chemical Changes Produced by Solar Radiation ...

Robert Hunt - 1852 - 290 Seiten
...plate of metal in a closed box, prepared for generating the vapour of mercury. The vapour is to be slowly evolved, and in a few seconds the picture will...printed page or engraving, and gives a very faithful but somewhat indistinct image. The plate is now removed from the mercurial box, and placed into one containing...
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A Manual of Photography

Robert Hunt - 1852 - 321 Seiten
...plate of metal in a closed box, prepared for generating the vapour of mercury. The vapour is to be slowly evolved, and in a few seconds the picture will...printed page or engraving, and gives a very faithful but somewhat indistinct image. The plate is now removed from the mercurial box, and placed into one containing...
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Photography

Robert Hunt - 1853 - 329 Seiten
...plate of metal in a closed box, prepared for generating the vapour of mercury. The vapour is to be slowly evolved, and in a few seconds the picture will...printed page or engraving, and gives a very faithful but somewhat indistinct image. The plate is now removed from the mercurial box, and placed into one containing...
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Researches on Light in Its Chemical Relations: Embracing a Consideration of ...

Robert Hunt - 1854 - 396 Seiten
...plate of metal in a closed box, prepared for generating the vapour of mercury. The vapour is to be slowly evolved, and in a few seconds the picture will...indistinct image. The plate is now removed from the merCOPYING ENGRAVINGS. 261 curial box, and placed into one containing iodine, to the vapour of which...
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