A Treatise of Universal Inland Navigations

And the Use of All Sorts of Mines. A Work Entirely New ... Plainly Demonstrating the Possibility of Making Any River and Stream ... Navigable ... Together with the Construction, Explanation, and Use, of a New Invented Machine ... which Will Raise ... Boats Or Lighters, and Cargoes All at Once ... Without Unloading. To which is Added a Supplement, Plainly Demonstrating the Possibility and Means Whereby a Ship of Any Size May be Launched at Any Time ...

by Edmund Ronald Leach