1876 の設計橋ジョンソンのビームコンパス機械 Old Antique Historical Victorian Prints Maps and Historic Fine Art ----------. 1876 Engineering Bridge Johnson'S Beam Compass Machine A Page From The Engineering Journal An Illustrated Weekly Journal. Dated 1876 Edited By W.H. Maw And J Dredge. Contains Information On Road And Rail Bridges, Structural Engineering, Torpedo Launchers, Boats, Machines And Many More Engineering Works._x000D_Each Page Is Approx ( injcluding margins as shown ) 13X10 Inches (340X260) All Are Genuine Antiques And Not Modern Reproductions.