Discoveries and inventions of the nineteenth century (1905)
Routledge, Robert · London : G. Routledge and Sons · leaf 347
he bridge areopen, and stairs also are provided for the same purpose for those whoprefer them to using- the lifts. The side spans are really suspension bridges, but the chains have onlytwo links, connected at the lowest point by a pin 2JVfeet in diameter, whiletheir higher ends are supported on the… … i« ::?; 2 N 0 c ,io-f, D -^s^-? <!■ s ^ 0 I, (U 4) t! C j S-^fn i T3 C r-:.£^ iii 3 ^0 ■ \^ S ^ c \i ^.-2 5 S g. n o d J^O O 00000eg o o m o VO O OO CO N 0.5*0.3 rt c c ^■a J3 (« - 5 g c d if T^^ S* 13 G 1-. ^ 33 ^1).^ ^ o o 302 THE TOWER BRIDGE, LOJStDON: chains to tie bars stretching across…
Inventions
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