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Show SCALING SHIPS BY MACHINERY Labor-Saving Device for Cleaning Hot-torn Hot-torn of Vessels Is Run by Compressed Air. Scaling ships' bottoms by machinery is the latest labor-saving practice devised de-vised to aid "those who go down to, the sea In ships." Ever since the advent ad-vent of Iron and steel hulls, one of the meanest jobs faced by Jack is cleaning clean-ing the Teasel's underwater section when the ship is placed in dry dock. Hammers with chisel-like heads, wire brashes and even cold chisels have been laboriously wielded to clean off marine growths, rust and the old paint, Now comes the ship scaling machine run by compressed air and looking very much like the pneumatic riveters so painfully familiar to New Yorkers who live near modern building operationsand opera-tionsand who doesn't t By its use, one man with a scaling machine can ln as much in a day as could six men with the old-time methods and do a better and cleaner Job at that Oauxe goggles are needed, however, In operating op-erating the ship staler, because It works so fast, that bits of metal, rust and paint fly about In a veritable shower. Another modification of the machine is run by electricity. |