THE THAMES TUNNEL.

The Thames Tunnel an Extraordinary Engineering Feat.

Marc Isambard Brunel.

Early Schemes for Tunnelling the Thames.

Brunel's Proposal.

A Tunnel Company formed.

The Shaft Caisson.

Sinking the Caisson.

Under-pinning Work.

Drainage.

The Great Shield.

Shield Details.

Method of Excavation.

Advancing the Shield.

Tunneling commences.

Brunel the Younger.

A Mistaken Policy.

River Bed inspected.

First Irruption of the River.

Remedial Measures.

The Tunnel cleared.

Second Irruption.

Funds exhausted. Tunnel bricked up.

Many Suggestions.

Government advances Money.

New Shield installed.

Further Inroads by Water.

Trouble given by Poisnous Gas.

A Curious Subsidence of Ground.

Communication established under the River. Brunel knighted.

The Tunnel opened.

Public Interest in the Work.