Figure 31

Figure 31. Aime messenger ca. 1843. The Frenchman Georges Aime was among the fir st to systematically employ the principle of a messenger in order to communicate with submerged instruments. The messenger was sent down the line and activated some form of opening or closing mechanism on the sampling instrument. Aime used only solid messengers which had to have the line or cable run through them.

Photo Category: Oceanography