Wharf jib crane, model

Made:
1729-1753 in England

Model of wharf jib crane

Model wharf jib crane, before 1753. The original crane was designed for Mr. Ralph Allen, a quarry owner at Bath, Avon. The rope passes over a vertical pulley and between two horizontal pulleys, the small roof keeps it dry. The gearing enables a large weight to be lifted using little effort and the horizontal pulley allows the arm to be turned easily.

Details

Category:
King George III
Object Number:
1927-1928
Materials:
hemp, iron, ivory, lead, mahogany, paper
type:
wharf jib cranes
credit:
King's College, London

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