Tag Archives: developer

a container as a collectible

Posted on September 23, 2024 by Robert

Toronto. Back in the days of film and glass plates, various chemicals were used as developers including pyrogallic acid. Ev discovered a pretty blue glass bottle that once contained pyrogallic acid. This brought back memories he discusses in issue 17-1 … Continue reading →

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grainy days

Posted on December 13, 2022 by Robert

Toronto. In film photography, grain is the ‘clumping’ of metallic silver created by the development of exposed silver halides. Large clumps were not a great issue when the sensitivity of glass plates was relatively slow and the plates and cameras … Continue reading →

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PHSC News for March 2021 (Vol 20-09)

Posted on March 13, 2021 by Robert

Toronto. At right top of page 1 in this issue is the FLIR Scout TK camera – digital technology with a twist! This tiny digital device records the thermal image of the viewed scene! As the third month of 2021 … Continue reading →

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stick a pin in it

Posted on September 10, 2020 by Robert

Toronto. Just over three years ago I did a post on the simple pinhole camera. This wonderful solution to a camera for all even had a day devoted to photographs taken by pinhole cameras (a day in April). My friend … Continue reading →

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tanks for de memories …

Posted on May 27, 2020 by Robert

Toronto. In the days of film, exposure created a latent image, invisible to the eye. A chemical reaction to a hand full of chemicals, including at least one which converted and clumped silver halide molecules exposed to light into metallic … Continue reading →

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