Inside Out Library · Explore

Scientific American, Vol. 85, No. 11 (1901) (1901)

leaf 9

An illustration from Scientific American, Vol. 85, No. 11 (1901), 1901, leaf 9
subsidies from the government, and as Submarine Oil Beds. transmitted messages a mile over this sized coil. they will revert to the state in the second half of For some time past the Russian authorities have Having purchased the coil, it will be found necessary been exploring the petroleum… … fraught with considerable danger. The reason the distance between them The only means of solving the prob- is cut down from a half to an eighth lem is by enclosing the area with a sea wall, but as such of an inch is because in wireless telegraphy it has purely private railroads. Of the countries…

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 85, No. 11 (1901)

More like this