as time goes by

Darkroom Timer by Kodak. Well built. Well used.

Toronto. The first T in the TNT film processing method  stands for Time. Using a darkroom tank or a daylight tank, it was necessary to use this method of processing a film.

Many companies offered a decent timer. This one (about 70 years old) was manufactured in Rochester and sold by Canadian Kodak in Toronto.

Another timer was the massive GrayLab gizmo also made in the States. If you chose to use a film by one maker and a developer by another, books like the Photo-Lab-Index helped convert the Time/Temperature data to save experimentation.

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