dry plate process การใช้

In 1882, he moved to Boston where he took courses in portrait photography and the dry plate process.
In his later years, he wrote articles on the dry plate process and other techniques for various photography journals.
While on the expedition, he experimented with the dry plate process, for which he would eventually become an expert.
It was not as fast as the ordinary wet process, but was not nearly as slow as the dry plate processes.
While in Paris Dagron became familiar with the collodion wet plate and collodio-albumen dry plate processes which he would later adapt to his microfilm techniques.