Prints have neutral to cold tones with good crisp tonal separation and deep blacks. The working solution can be diluted to obtain softer results without greatly affecting the color. Bromide paper should be used with this developer for best results....(more)

This metol-based, semi-compensating film developer is similar to Kodak D-23 and produces negatives with low to medium contrast. Four rolls of film can be processed in one liter of Formulary without replenishment. With replenishment, a total of 20 to...(more)

Photographer's Formulary Film Developer 23 A favorite among Zone System users, this metol-based semi-compensating film developer similar to Kodak D-23. This developer produces negatives with low to medium contrast. Four rolls of film can be...(more)

Classic bleach and redevelopment toner that produces rich permanent sepia-brown tones.

Formulary Van Dyke Brown Printing Kit, as the name implies, produces beautiful brown images. It is similar to the Kallitype process but uses Ferric Amonium Citrate as the sensitizer. This modification results in a print that needs no special...(more)

This kit contains red, blue and yellow pigments. Has liquid Gum Arabic, Ammonium Dichromate and extensive directions for their use. Gum printing is unique among all the printing processes. It is distinguished by unlimited flexibility. The printer has...(more)

This is a phenidone/glycin-based paper developer that produces a full scale of rich blacks. This developer has a long shelf life, excellent tray life, high capacity and does not contain metol. The prints obtained with this developer are very close to...(more)

Formulated to work with both film and paper emulsions. Works well in batch processing, fixing resin based papers in just 30 seconds and fiber based papers in 60 seconds. TF-4 fixer can be used on T-grain films, fixing for six minutes to remove the...(more)

Gives beautiful rich brown sepia-like tones. Print is first bleached using ferricyanide-bromide bath then redeveloped in a sulfide bath.

A simple chemical test that can be used to determine if a print or film strip has been adequately washed. Based upon the formation of a yellow stain of silver-sulfide thiosulfate on the white of a test print (or the clear area of a negative film...(more)