Total height of foundations........... 26 ft. From the ground to the platform ...... 28 " Platform .............................. 3.25 " Height of cylinder.................... 21 " ________ Total height...................... 78.25 ft. Weight of anvil-stock................ 500 tons. Weight of bed-plates................. 122 " Weight of standards.................. 270 " Weight of platform and cylinder...... 148 " Piston, valves, engineman's platform, hammer, etc........................ 160 " __________ Total weight................... 1,200 tons. Weight of the hammer.................. 80 tons. Maximum fall.......................... 25.75 ft. Distance apart of the standards....... 21.6 " Width of hammer....................... 6 " Pressure of steam..................... 16 lb. Effective pressure to lift 80 tons.... 7 " _Description of Figures_.--A, the 80-ton hammer; B, B1, B2, cranes; C, C1, C2, supports of cranes; D, D1, D2, gas furnaces; A1, the 35-ton hammer; A2, the 28-ton hammer; EE, railways; F, engineman's platform; G, lever for maneuvering the throttle valve; H, an ingot being forged. * * * * * GREAT STEAMERS. The _Brooklyn Eagle_ gives a very interesting description of the three new steamships now almost completed and shortly to be placed in the New York and Liverpool trade by the Cunard, Inman, and Williams and Guion lines. The writer has prepared a table comparing the three vessels with each other and with the Great Eastern, the only ship of greater dimensions ever built. We give as much of the article as our space will allow, and regret that we have not the room to give it entire: Line. Cunard. Inman. Guion. Admiralty. Vessel. Servia City of Rome. Alaska. Great[1] Length 530 feet. 546 feet. 520 feet. 679 feet. Breadth 52 feet. 52 ft. 3 in. 50 ft. 6 in. 82 feet. Depth 44 ft. 9 in. 37 feet. 38 feet. 60 feet. Gross ton'ge 8,500 8,300 8,000 13,344[2] Horse pow'r 10,500 10,000 11,000 2,600 Speed 17½ knots. 18 knots. 18 knots. 14 knots. Sal'n pas- 320 and 52 sengers. 450 300 2d class Steerage 600 1,500 1,000 Where Clydeb'nk Barrow in Clyde, built. Thomson Furness Elder Date of sailing. October 22 October 13 November 5 [Footnote 1: To be sold at auction soon.] [Footnote 2: Net register.]