3. What is bitumen and what was its use in photography?

4. Who was the inventor of the first practical process of photography and what method did he develop?

5. How did Henry Fox Talbot's process of negative and positive prints work?

6. What were "Wet Plate Negatives" and what were some of the chemicals used during the process?



Answer :

Final answer:

Bitumen and its use in early photography, William Henry Fox Talbot's invention of the calotype process, and the functionality of the negative and positive prints in photography.


Explanation:

Bitumen was a substance used in the early days of photography to sensitively coat plates or paper. It played a crucial role in creating light-sensitive surfaces for capturing images.

William Henry Fox Talbot invented the calotype process, which involved creating a negative image on sensitized paper that allowed for the production of multiple positive prints, revolutionizing photography.

Henry Fox Talbot's process of negative and positive prints worked by first creating a paper negative, then using it to produce multiple positive prints, enabling mass reproduction of images and advancing the field of photography significantly.


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