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潜艇的出现不到400年。最早的潜艇研制者应当是达·芬奇(1429-1519)。他是意大利文艺复兴时期的著名艺术家,也是一位科学家、工程师。他十分关注人类的水下探索,在他所绘的草图中就有水下呼吸管和有托着管口浮出水面的浮木。他还设计了脚蹼和有头盔的潜水服(图1)。
Submarine appeared less than 400 years. The earliest submariner should be Leonardo da Vinci (1429-1519). He is a famous Italian Renaissance artist, is also a scientist and engineer. He is very concerned about underwater exploration of mankind. In his sketches, there are the scuba and the driftwood with the nozzle. He also designed flippers and helmets (Figure 1).