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aii ie ek AMERICAN SOCIETY seemed lit INEERS VOL. 47 CLEVELAND MARCH, 1917 NEW YORK No. 3 PS TP td ed £9. lit LE SLATES a eer te For Real Convenience and Efficiency McArthur Jacob’s Ladder excels everything else for the purpose. This ladder is in use on eighteen fleets as well as on many other boats sailing the Great Lakes; also on a great many Transatlantic Steamers. 2 McArthur Jacob’s Ladder is light, port- able and convenient. It can be compactly rolled up when not In use. Sold in sections of any desired length. These sections may be instantly connected by means of snap hooks, thus adapting the ladder to light or loaded condition of ships. For further details and price write The McArthur Portable Fire Escape and Jacob’s Ladder Co. | CLEVELAND, OHIO The McArthur Jacob’s Ladder is patented and all infringements on it will be prosecuted See TTT TTT TTT TTT TTTTTTTTTOTTOTTTTTTTOTOTU Tv TUT UT TTT TTT Te sm LT Il 2 = & ao e =. a Be — sR we -~ i=) = > Sane < oO ot. a oe 2 z e oo oe Cananthe Dage 6 ‘*Where-to-Buy,”” page 68 Classified Advertisements, page 78 . 4 po ee a oi