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Updated: May 20, 2025
The work of Plumier is especially elaborate, entering into the construction of the lathe in its various parts, the making of the tools and cutters, and the different motions to be given to the machine by means of wheels, eccentrics, and other expedients, amongst which may be mentioned one very much resembling the slide rest and planing-machine combined.
Many of them required the labour of the most skilful workmen, as the parts referred to did not admit of their being executed by the lathe or planing-machine in their ordinary mode of application. The annexed illustration has reference to only one class of objects in which I effected great saving in the production, as well as great accuracy in the work.
"I thought it was a hay-cutter or a planing-machine, or that you had got the asthma awfully. I couldn't write my letter for listening to it, and came round to ask what was the matter! Miss Craydocke, I don't see why you keep the door bolted on your side. It isn't any more fair for you than for me; and I'm sure I do all the visiting. Besides, it's dangerous.
I have on so many occasions found the great value of this simple yet most secure mode of fixing delicate work in the lathe, that I feel sure that any one able to appreciate its practical value will be highly pleased with the results of its employment. The same means can, in many cases, be employed in fixing delicate work in the planing-machine.
A considerable branch of business carried on by the firm of Sharp, Roberts, and Co. was the manufacture of iron billiard-tables, which were constructed with almost perfect truth by means of Mr. Roberts's planing-machine, and became a large article of export.
The year in which I remember it being in use was, so far as I am aware, long before any planing-machine of a similar kind had been invented." Matthew Murray was born at Stockton-on-Tees in the year 1763. His parents were of the working class, and Matthew, like the other members of the family, was brought up with the ordinary career of labour before him.
I have passed unnoticed the great subject of the manufacture of machinery by itself the invention of the slide-rest, the planing-machine, and many other contrivances by which engines can be constructed with almost mathematical correctness.
The rollers on which the planing-machine travelled were so true, that Clement himself used to say of them, "If you were to put but a paper shaving under one of the rollers, it would at once stop all the rest." Nor was this any exaggeration the entire mechanism, notwithstanding its great size, being as true and accurate as that of a watch.
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