,*;*>>* 





Figure 26. — Longitudinal section through Thames Tunnel after sandbagging to close a break in the 

 riverbed. The tunnel is filled with silt and water. ( Law, A Memoir of the Thames Tunnel.) 



226 



Figure 27. -Interior of the Thames Tunnei shortly after completion in 1843. (Photo 

 courtesy of Mew fork Public Library Picture Collection.) 



HI I I 1: TIN 240: CONTRIBUTIONS from the museum of history and technology 



