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An illustration of a dredging boat (right) and a derrick (left). A derrick is a lifting device composed of one mast or pole which is hinged freely at the bottom. It is controlled by lines (usually four of them) powered by some means such as man-hauling or motors, so that the pole can move in all four directions.

Dredging Boat and Derrick

An illustration of a dredging boat (right) and a derrick (left). A derrick is a lifting device composed…

The Tallow Chandlers of London had a grant in 1456 of Six pieces azure and silver with three doves in the azure each with an olive sprig in her beak.

Tallow Chandler

The Tallow Chandlers of London had a grant in 1456 of Six pieces azure and silver with three doves in…

Gray & Davis starting and lighting installation on the Chandler 1917 light-weight six.

Gray and Davis

Gray & Davis starting and lighting installation on the Chandler 1917 light-weight six.

Gray & Davis starting and lighting installation on the Chandler 1917 light-weight six.

Gray and Davis

Gray & Davis starting and lighting installation on the Chandler 1917 light-weight six.

An illustration of a ship chandlery. A ship chandler is a retail dealer in special supplies or equipment for ships.

Ship Chandlery

An illustration of a ship chandlery. A ship chandler is a retail dealer in special supplies or equipment…