Bushnell

(noun.) American inventor who in 1775 designed a man-propelled submarine that was ineffectual but subsequently earned him recognition as a submarine pioneer (1742-1824).

比安卡手打

• He, like Bushnell, was an American, but his early experiments were in France, where Napoleon patronized him. 佚名. 神奇的知识之书.

编辑:瑞伊