Re: Gum & the commercial ?
Christina, it's the Wiener Photographische Blatter, a journal published by the Vienna Photographic Club, in Austria. It was a well known and avantgarde journal between the end of XIX century and the first decades of the XX. Tom Sobota Christina Z. Anderson wrote: chloral hydrate and glacial acetic acid were Herr Watzek's formula in the Weiner Photographische Blatter (whatever that might be).
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