Britannia tubular, and Menai suspension bridges

Printed notes on print: 'Details of the suspension bridge: Total length of bridge, 910 feet; Height of roadway above high water mark, 100 feet; Height of the two main pillars, 153 feet; Suspended weight of iron, 489 feet; Total weight of iron, 2186 tons; Extreme length of chain, 1714 feet; Telford, engineer. Details of the tubular bridge: Total length of the bridge, 1834.0 feet; Height of rails ab…