A couple canoeing in a river

A black and white drawing of a couple canoeing in a river

An illustration of a man whitewater kayaking in extreme conditions

Industry & Technology-line art (b4) Civil Engineering Excavating machinery A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England.

A drawing of a man canoeing on a river

Industry & Technology -line art (b4) Civil Engineering Excavating machinery. A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England

Industry & Technology - line art (b4) Civil Engineering A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England - the tunnel entrance.

Industry & Technology -line art (b4) Civil Engineering A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England - men digging the tunnel.

Industry & Technology -line art (b4) Civil Engineering A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England - scaffolding at the tunnel face

Industry & Technology - line art Civil Engineering Bridge Perspective Holborn Viaduct over the River Thames, London, England. Opened in 1869, the year General Grant was inaugurated as the 18th President of the U. S. and the Cincinnati Red Stockings becam

Industry & Technology -line art (b4) Civil Engineering A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England - men digging the tunnel.

Architecture - England - line art (x3) Plan Romanesque/Norman Floor Plan, 2nd Story of Hedingham Castle c. 1100, Essex in eastern England, north of the River Thames. William The Conqueror, King of Normandy, invaded England in 1066, defeating the force

Swan And Oar On River Thames