An early diving bell used by 16th Century divers during salvage operations

An early diving bell used by 16th Century divers during salvage operations. The book this came from is a text on ship salvage and includes diving information. In: Regola generale di soleuare ogni fondata naue & nauilii con ragione” by Niccolo Tartaglia.

Photo Category: Graphics - Systems
Photo Location: Mediterranean Sea
Photo Date: 1562 publishing date of book.