Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 338
el\\ inch in thickness, and these rise to the highest part of the bridge,which is 361 feet above the water, so that the structure is as lofty as St.Pauls Cathedral. These great tubes are not placed vertically, butincline inwards towards the top, so that while the straddle legs of eachpair are 120… … 8098 6 - Fig. 147^.—Principal Dimensions of the Forth Bridge. tubes—that is, a tube passes from the foot of every column to each ofthe other three. At the base of each column, the lowest spanning mem-ber springs also (which appears like an arch, but is not so), as a tube of12 feet diameter. Thus…
Inventions
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