Considerations on the unhappy accidents that attended the last undertaker in his works at Dagenham Breach [electronic resource] : With remarks on the excuses made use of to screen the deficiency of the workmanship, in a treatise, entitled, An account of the stopping Dagenham Breach, &c. and also Reasons to prove, that the proper Rules for stopping Breaches, or performing any the like Works, contain'd therein, And the proposal for rendering the port of Dublin more commodious, are not the only and the best in the World. A Subject proper to be consider'd by those whose immediate Province it is to transact for the Good of the Nation in General. To which is subjoin'd, An essay on the perpetual motion. By a gentleman who was concern'd.