De Laval Patent Steam Turbine | Sheaff : ephemera

De Laval Patent Steam Turbine

Promotional card featuring an American flag, distributed at the Paris Centennial Exhibition of 1900. Printed in Stockholm, Sweden.


      Contact:  dicksheaff@gmail.com    All images not otherwise indicated are copyrighted by Richard D. Sheaff and not to be used for any purpose without written permission.