This took him into the use of the photographic process in printing.

The result is an image having very similar colours as the original using a black & white photographic process.

His earliest work was concerned with improvements in photographic processes.

There is one important thing to remember with this photographic process.

This marked the beginning of his research in the photographic process.

Smith acquired chemicals from the prison hospital to use for the photographic process.

This was originally done with photographic processes to create posters.

It is the basis for most photographic processes, but she's taken a very narrow reading on this.

These works are ongoing, along with the series Tetrarchs made using the same photographic process.

But the history in a room can "age" its light, like a page yellowing, or an early photographic process.