The déco window

by Cyanocorax - uploaded on August 29, 2020, 4:39 am

Hand tracing of the cover of the catalog or promotional booklet Aluminium in architecture & decoration (British Aluminium Company, 1937), which is under a Creative Commons Public Domain Mark 1.0 license.

I found it here: https://archive.org/details/AluminiumInArchitectureDecoration