John Sessoms wrote:
From: Miserere
Does anybody know where/why the 5x7 size originated?
It's lost in the dim dark ages of history.
Predates photography, although before small format film and film
enlargers it would be the common size to contact print from 5x7 glass
plates and later from 5x7 negatives.
Actually the glass plate size was 1/2 plate, which was 4 3/4 x 6 1/2
inches. As I mentioned in a previous post Kodak introduced a 5 x 7 inch
roll film in 1896, as Postcard size, (there were a couple of other films
labeled Postcard size as well as there were and are several different
official Postcard sizes), I have seen prints from that era that looked
to be 4 3/4" x 6 1/2" on 5x7 paper. 1/8" borders on the long sides,
with 1/4" borders on the short sides. 5x7 film would make a print like
that in an old fashioned contact printing frame.
--
The free man owns himself. He can damage himself with either eating or
drinking; he can ruin himself with gambling. If he does he is certainly a damn
fool, and he might possibly be a damned soul; but if he may not, he is not a
free man any more than a dog.
--G. K. Chesterton
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