Page:EB1911 - Volume 27.djvu/419

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402
TUNNEL


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The Thames '1'mnel (Brunel), 18:5-1842. Hudson River (Haskin), 1879. Wlterloo & City Rail- $3 Wty, Thames. River Spree, Berlxn

Hudscn Rizsgellldorton Sr. Q-M /

Blnckwall Tunnel. Thames. 1 tube. f 44

Baker St. & Waterloo Greenwich Footway, Railwny. Thames. ' a tubes Tunnel. | tube. .W East Boston Tunnel under'HarbuUr. r tube.

Harlem River. 2 tubes. " ':" ""' -11: . ff Rocherhixhe, Thames. x tube ; . Hudson and East Rivers. Pennsylvania

Detroit River '|'unnel. 2 lubet. Scale of Feet no 5 o xo Fig. 3.-Cross Sections of Tunnels under

River Seine. Pub. 1 lube zo 30 Rivers and Harbour!