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Updated: May 11, 2025
Suddenly from the inventor, pulling over some old dust-covered machines in a corner, came loud cries of surprise. The cries were natural indeed. In that heap of rubbish he had found a lathe for turning irregular forms, and a screw-cutting engine once used by Peter himself: specimens of his unfinished work were still in them.
Indeed much of the work now executed by means of special tools, such as the planing or slotting machine, was then done in the lathe, which was used as a cutter-shaping machine, fitted with various appliances according to the work. Maudslay's love of accuracy also led him from an early period to study the subject of improved screw-cutting.
I knew th at when I had fitted it up it would become the parent of a vast progeny of descendants not only in the direct line, but in planing machines, screw-cutting lathes, and many other minor tools. At the end of the month, after taking a grateful farewell of Mr. Field and his partners, I set sail for Leith with my stock of castings, and reached Edinburgh in due time.
He continued to devote himself to the last to the improvement of the lathe, in his opinion the master-machine, the life and soul of engine-turning, of which the planing, screw-cutting, and other machines in common use, are but modifications.
In his system of screw-cutting machinery, his taps and dies, and screw-tackle generally, he laid the foundations of all that has since been done in this essential branch of machine-construction, in which he was so ably followed up by several of the eminent mechanics brought up in his school, and more especially by Joseph Clement and Joseph Whitworth.
Our companions were two men noted as leaders in American industry, one famed as an inventor, the other famed as a champion of inventors' rights. The cries were natural indeed. In that heap of rubbish he had found a lathe for turning irregular forms, and a screw-cutting engine once used by Peter himself: specimens of his unfinished work were still in them.
In his system of screw-cutting machinery, and in his taps and dies, and screw-tackle generally, he set the example, and in fact laid the foundation, of all that has since been done in this most essential branch of machine construction.
Plant of all kinds purchased in Cairo or requisitioned from England, with odds and ends collected from Ishmail's scrap heaps, filled the depots with an extraordinary variety of stores. Foundries, lathes, dynamos, steam-hammers, hydraulic presses, cupola furnaces, screw-cutting machines, and drills had been set up and were in continual work. They needed constant attention.
It was a type of his invaluable faculty of solving the most difficult problems by the most direct and simple methods. It was by the same method that he produced the Guide screw. His screw-cutting lathe was moved by combination wheels, and by its means he could, by the one Guide screw, obtain screws of every variety of pitch and diameter.
One day a more than ordinarily nice piece of screw-cutting made its appearance, on which he entered the shop to make inquiries as to the method by which it had been executed. He had a long conversation with Maudslay, with whom he was greatly pleased; and he was afterwards accustomed to look in upon him occasionally to see what new work was going on.
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