Diving Bells
Just ran across this great design for a diving bell in the copy of Lorini’s Fortificationi (1609) that I picked up last week. It had glass windows for observation of sea life and was also handy for locating lost artillery.

Buonaiuto Lorini, Le Fortificationi - 1609
8/21/2010
Posted in Books.
One response to Diving Bells
glass windows for observation of sea life… in 1609!
Amazing