![](http://posters.postalmuseum.org/cdn/shop/products/2927ecc68a27815ab3c38ff4493f4852_large.jpg?v=1539703571)
product details
Small art print
Overall size of this product is 40 × 30 cm.
The image area of the print measures 32 × 21 cm.
Additional image details
Collection: Mail Rail
Subject: Automatic Circuit Breaker.
© The Postal Museum/Miles Willis