swanngalleries:Semaphore is an adapted alphabe…

swanngalleries:

Semaphore is an adapted alphabet that allowed ships to communicate across great distances before radio. George Woolworth Colton’s “General Atlas’ was an important book, providing 180 maps and a semaphore glossary. Coming to auction with Maps & Atlases, Natural History & Color Plate Books.
#georgewoolworthcolton #atlas #semaphore #navigation #auction http://ift.tt/2AozSJu