With a Plan of the New Machine for Taking it Off in Wheel-carriages, Windlasses of Ships, &c. Together with Metal Proper for the Machine, and Full Directions for Making It. To which is Annexed, Stonhenge, One of the Wonders of the World, Unriddled. By C. Varlo, Esq; Author of The New-invested Machine, and of the New System of Husbandry