. Adventures of two youths in the open Polar Sea. e. The ships were about a mileapart, and the line was easily set up by fastening the poles in the tops ofhummocks along the way. Floles were cut in the ice to the depth of threeor four inches, and then each pole was firmly fixed in its place by tampingthe fine ice into the hole and pouring water upon it. The telephone was 180 THE VOYAGE OF THE VIVIAN. used in preference to the telegraph, and it was found that in the dry airof the arctic winter the insulation was perfect. Occasionally the atmos-pheric electricity gave them some trouble, and doub
. Adventures of two youths in the open Polar Sea. e. The ships were about a mileapart, and the line was easily set up by fastening the poles in the tops ofhummocks along the way. Floles were cut in the ice to the depth of threeor four inches, and then each pole was firmly fixed in its place by tampingthe fine ice into the hole and pouring water upon it. The telephone was 180 THE VOYAGE OF THE VIVIAN. used in preference to the telegraph, and it was found that in the dry airof the arctic winter the insulation was perfect. Occasionally the atmos-pheric electricity gave them some trouble, and doubtless if the line hadbeen a long one, the difficulties from this cause would have been great. The electrical conditions of the atmosphere were dependent on theaurora; when the latter was fine there was a great deal of disturbance,and when there was no aurora there was rarely any electricity Doctor said this was the case in all parts of the world, and establishedbeyond question the cause of the aurora. Long before the invention of.
Size: 2397px × 1042px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookidadventuresof, bookyear1885
