Made in USSR plaque

1280 × 960

Soviet wall clock design

1600 × 1000

USSR Logo on Aged Paper

1600 × 1000

BA-11 armored car technical drawing

2850 × 3910

World's First Nuclear Reactor

6354 × 4428

Open Pocket Watch — Silver, Dramatic, Afternoon

1600 × 1000

MiG-15 aircraft technical diagram

5000 × 3337

Apple Computer Vintage Blue Logo

1000 × 625

KV-2 Tank Blueprint — Black

1920 × 1080

Steampunk Airship Blueprint — Brown

1440 × 900

The Colour Method logo

1000 × 1000

blue technical blueprint

1280 × 1024