JF Ptak Science Books Quick Post
In my experience with images in silhouette, the technical adaptations are very unusual (at least for things that are not spotter guides for enemy aircraft or ships-at-night)–more uncommon still are industrial buildings rendered in silhouette. But here’s an example, taken from the Illustrirte Zeitung (Leipzig) for 1936. These are factories in the Feldmuehle Papier- und Zellstoffwerke company, and are really quite attractive.
The following two images are details from the 14th silhouette, at bottom-center:
And the full-pahe ads looks so:
