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![[Microscopic view of an insect]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzE4NTMvMDEvMDEvbWljcm9zY29waWMtdmlldy1vZi1hbi1pbnNlY3QtMjZkYjQ2LTEwMjQuanBn/40/62/webp "[Microscopic view of an insect]")
[Microscopic view of an insect]
Alois Auer (Austrian, Wels 1813–1869 Vienna) The albumen silver print is a photographic printing process that was widely used in the 19th century. It involves coating paper support with a mixture of egg whites... More
![[View of the rooftops and cathedral of Vienna]](https://cache.getarchive.net/Prod/thumb/cdn2/L3Bob3RvLzE4NTMvMDEvMDEvdmlldy1vZi10aGUtcm9vZnRvcHMtYW5kLWNhdGhlZHJhbC1vZi12aWVubmEtMzc5MzY3LTEwMjQuanBn/40/52/webp "[View of the rooftops and cathedral of Vienna]")
[View of the rooftops and cathedral of Vienna]
Picryl description: Public domain photograph of the Austro-Hungarian Empire, mid-19th century albumen print, no copyright restrictions.