Maps of the track of the DACIA in 1883, the Bottomless Pit, and Congo Canyon, by Edward Stallibrass, a British telegraph engineer, as published in 188

Maps of the track of the DACIA in 1883, the Bottomless Pit, and Congo Canyon, by Edward Stallibrass, a British telegraph engineer, as published in 1887 in “Deep-Sea Sounding in Connection with Submarine Telegraphy,” Journal of the Society of Telegraph-Engineers and Electricians, Volume XVI, No. 68, pp. 478-521.

Photo Category: Exploration - Maps