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Scientific American, Vol. 58, No. 14 (1888) (1888)

leaf 4

An illustration from Scientific American, Vol. 58, No. 14 (1888), 1888, leaf 4
to be under all conditions below the plane Bronze Composition. — of the under side of the flukes. The inventor has had Copper and 8 per cent Al and Si......... 19,000 23°7 58,500 this attachment in practical use fora year, and it is Copper and 10 per cent Al and Si... --| 83,000 3:2 68,000 Copper… … pendent supporting frame. This construction gives SMITH’S SAFETY ATTACHMENT FOR ANCHORS. great facility of raising or lowering the ladder, and of All bars were 22 inches in length by 1% inches in dia- locking or holding it at different heights. meter, and 10 inches or 15 inches between elongation…

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