His training in photography started at the age of 15 and continued when he moved to Boston to train in portrait photography and the dry plate
Breakup of the isothermal, distilled water falling film on a vertical plate in three regimes (wetting of the dry plate
, rewetting and break-up of the continuous falling film) is examined in  and .
Taken by an unidentified photographer, the print has its caption written into the dry plate
Working for $15 a week at the Rochester Savings Bank during the day, Eastman spent his nights researching and experimenting with ways to develop a dry plate
formula to make photography easier.
The first of these dry plate
processors was introduced by DuPont about a decade ago.
The thought of a dry plate
of food actually puts me off food.
One of the most successful pioneers in this field was George Eastman who set up the Eastman Dry Plate
Company in 1880, the company which was to become known as Kodak.
Swan invented artificial silk for use in his experimental bulbs, plus the first method of carbon printing and dry plate
processing in photography.
Before the advent of the gelatin dry plate
in 1880, which allowed photographers to return to the studio to process their work, images were exposed on fragile, 8 x 10 glass plates that had to be processed in the field.
The first step would be to replace the wet plate process, which required preparation at the time of taking the picture, with a dry plate
process that could he prepared in advance.
Holscher explains: "By combining a newly developed ceramic material with specially matched friction facings, we were not only able to retain the relatively simple, well tested twin dry plate
clutch design, but also develop a component with a performance potential that is by no means exhausted in this application.
With a practical understanding of photochemistry, a little business experience, and the financial backing of a successful local businessman, Eastman started a dry plate
supply company in 1878.