metol

Probably the best of all is "pyro," but the fact that it stains the fingers is a serious objection to it for amateur use, and almost any other developer, such as metol, eikonogen or hydroquinon will be better.

Outdoor Sports and Games Claude H. Miller

Not quite ruined, however, as a bath in a 5 per cent solution of sodium carbonate will discharge the color and then, if the print is faded, it may be redeveloped in an alkaline developer such as metol-hydro.

Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements John A. Tennant

A reliable metol and hydroquinone formula is as follows: Thoroughly dissolve metol, 1/4 ounce; hydroquinone, 1/4 ounce; in water, 80 ounces; add sulphite of soda (cryst.), 4 ounces; and carbonate of soda (cryst.),

Bromide Printing and Enlarging A Practical Guide to the Making of Bromide Prints by Contact and Bromide Enlarging by Daylight and Artificial Light, With the Toning of Bromide Prints and Enlargements John A. Tennant

“I attribute it, my lord, principally to the circumstance that I prefer metol-quinol for the purpose of development.”

The Unpleasantness At The Belladonna Club Sayers, Dorothy L.Lord Peter 05 1928

We needed not only the essential bulk chemicals, such as amidol, metol, para-amidophenol, and glycine, but also certain rarer substances, such as the photographic sensitisers, which were so essential for the Air Force.

The riddle of the Rhine, chemical strategy in peace and war ... 1921