I bought this from Spirotone in New York City long ago when I used it lightly it in the old darkroom days. Safe to say it has not been used in the last 30 years. Double sided, adjustable, warmth print dryer. It is not a ferrotype surface for glossy photographic papers. (That was a product I discarded many moons ago. There are some minor stains on the canvas that holds the prints flat against the metal surface but the device is in pretty good shape.
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The paper seen in one of the photos is a standard letter sized 8.5 x 11 inches placed for reference. The dryer is from the days of 8x10 when 2 prints might have fit per side. I suppose the dryer could be repurposed for recovering wet papers if you no longer have a darkroom.