Gas-lit Buoys. —By means of compressed gas, buoys can now be made to show a light for a very considerable time. In one experiment, which has been made in an exposed position, the ght burned for thirty days, and neither wind nor waves extinguished it.
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Page 3 Advertisements Column 1, Ashburton Guardian, Volume I, Issue 29, 2 December 1879
Page 3 Advertisements Column 1 Ashburton Guardian, Volume I, Issue 29, 2 December 1879
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