Description | Presenting his draft proposal for a machine for supplying wholesome water while a ship is at sea, called a 'Seaman's Cistern'. Including a summary of likely expenses in the machine's construction with proposals on how to keep the invention secure and for trialling it with seawater. At the completion of the trial the Inventor will reveal the materials and method of construction.
Stephen Theodore Jannsen (d.1777) Lord Mayor of London 1754-1755. |