About the logo
The Logo is from Lehmanns Allgemeinem Wohnungsanzeiger (nebst Handels- und Gewerbe-Adreßbuch für die k. k. Reichs-Haupt- und Residenzstadt) Wien, 1912 - Erster Band (literally translated: Lehmann’s General Housing Gazette (together with the trade and commercial address book for the imperial capital and residence) Vienna, 1912 - first volume). Published by Alfred Hölder, k. u. k. Hof- und Universitäts-Buchhändler, Wien (literally translated: Alfred Hölder, k. u. k. Court and university bookseller, Vienna).
It is an advertisement for C. Angerer & Göschl, k. u. k. Hof-Photochemigraphen (literally translated: C. Angerer & Göschl, k. u. k. Court photochemographers). Similar gems can be found in the Antiquariat Pretzsch N°1.
It shows a photo lab technician rinsing a glass plate after the fixing bath.
The post-processing of the digitized page was done with ScanTailor Advanced. For it’s display OpenLayers is used.
The tiles were generated with libvips.