A Quick Test for Determining the Degree of Exhaustion of Developers

Merle L. Dundon, G. H. Brown, J. G. Capstaff

The fine grain borax developer formula, originated by J. G. Capstaff and R. A. Purdy, was presented to the trade in the Eastman Duplicating Film booklet issued in January, 1927, and has since been widely adopted.

Print ISSN
Published
1930-04
Content type
Original Research
DOI
10.5594/J06565