Jeffrey's preservative process
Publisher: [s.n.]
Published: 1858
Place of publication: Cheltenham?
Language: eng
Subjects: Collodion process; Photography; Plates; Photographic chemicals
Notes: Advertising circular describing a method of preparing photographic plates using the collodion process.

"Prepared only at Russell Jeffrey's photographic establishments, Pittville, Cheltenham, and 18, Eastgate Street, Gloucester."