EARLY HISTORY OF PHOTOGRAPHY

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EARLY HISTORY OF PHOTOGRAPHY
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The Year When 2 ProcessesWere Published - 1839

• The Daguerreotype
• Louis Mande Daguerre
• Coated Copper Plate
• Heated Mercury Vapor
• Acid Wash
• Each Unique - a positive image to begin with -
• no copies

• The Calotype
• William Fox Talbot
• Coated White Paper
• Gallic acid Silver Nitrate
• Hypo wash
• Produced a Negative, then
• Any of copy positive prints

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The Collodian Process1851 - Frederic Archer

• Glass Negatives - Could be very Large
• Liquid Emulsion - more sensitive to light
• Had to be processed on the spot - within a half
  hr
• Any number of paper prints possible

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George Eastman The Kodak Company
Made Dry plates 1880s (Debt to Maddox in
England) 1st Roll Film 1889 (Celluloid base)
Kodak Camera with 100 exposures 35mm
cameras 1924 the Leica Co. Polaroid 1948 by
Edwin Land