chnic In- France 6 and United States 3 ; 8,000 tons and from 14 the hoisting engine. To assist in bracing the mast an to 16 knots: England 11, Italy 3, Germany 1, Russia 6, stitute, Troy, was once requested to state the weight in extensible arm is provided, having at its outer end a grains of a… … tons and at least 17 knots: England 31, Italy 13, Ger- A correspondent in Nature recently tried some in- DOBKINS' 7IBE ESCAPE. many 1, Austria 2, Russia 8, France 5, United States 6 ; teresting experiments with formic acid, which has so 2,000U.000 tons and at least 14 knots: England 6, Italy…