C. Aug. Schmidt Söhne is a factory and installation company for technical equipment from Hamburg, Germany. Since 1866 they also built all over the world pneumatic tube systems.
100 Jahre CASS - C. Aug. Schmidt Söhne, Hamburg
1841 - 1941
First Edition: 1941
The book was published in 1941, the text and photo's in this book are believed to be in the Public Domain.