Industry & Technology -line art (h4) Civil Engineering Bridge

Industry & Technology -line art (i4) Civil Engineering Bridge

Industry & Technology -line art (i4) Civil Engineering Bridge

Industry & Technology -line art (i4) Civil Engineering Bridge

Industry & technology -line art Civil Engineering Draw Bridge, 18th century

Industry & Technology -line art (v4) Civil Engineering A 19th century German engraving of a sluice-gate system for a dam.

Industry & Technology -line art (v4) Civil Engineering Illustration A 19th century German engraving of an aqueduct carrying water from a distant reservoir to a city. This construction is modeled on the ancient Roman aqueducts.

Industry & Technology -line art (v4) Civil Engineering A 19th century German engraving of a sluice-gate system for a dam.

Industry & Technology -line art (v4) Civil Engineering A 19th century German engraving of a water reservoir showing the intake pipe and pump house.

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 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 - scaffolding at the tunnel face

Industry & Technology -line art Civil Engineering Railway tunnel arch