Photographic collodion is a ... which acts as a fixing agent. Wash the plate one last time in water to remove the fixing agent, then dry. To protect the delicate image, apply a coat of varnish ...

Glass dry plates were widely used at photo studios in town at the time. The images are presumed to have been taken by Yokohama-based photographer Yoshinosuke Nishino (1881-1952). The plates were ...

I n the pioneering days of long-exposure astrophotography in the late 19th century, the use of dry plates over wet collodion plates simplified the photographic process. The increased light ...