J. Harrison (of Derby)

Milestone in Wirksworth, Derbyshire

1860.

John Harrison of Derby, Ironfounders

1834 'Large Wrought-Iron Vessel. —There is now making at the steam engine boiler manufactory of Mr. John Harrison, near St. Mary’s Bridge, Derby, perhaps the largest vessel that was ever put together in this kingdom, of wrought iron. Its dimensions are as follows :— Diameter 47 feet: depth 20 feet 3 inches; weight, between 50 and 60 tons. It will contain 218,947 imperial gallons, or 980 tons of water, which will be a pressure on the bottom of lbs 8.8. on the square inch.— It will be removed to Nottingham Gas Work in the course of a fortnight, until which time it may be seen by applying at the manufactory.'

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