Tumblelog by Soup.io
Newer posts are loading.
You are at the newest post.
Click here to check if anything new just came in.
7970 ab3d

staceythinx:

Mechanical Principles by Ralph Steiner (1930)

Reposted bynvmhashgrete-die-raketeczeresnia

Don't be the product, buy the product!

Schweinderl