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Updated: June 1, 2025
Once in possession of a perfect object-glass, the rest of the telescope is a matter of little more than constructive skill which there is no difficulty in commanding. The construction of the object-glass requires two completely distinct processes: the making of the rough glass, which is the work of the glass-maker; and the grinding and polishing into shape, which is the work of the optician.
He followed a theory of his own in doing so, for although he was tolerably sure of the nature of the ingredients, as was every workman in the house, neither he nor they knew anything of the proportions in which Beroviero mixed the substances, and every glass-maker knows by experience that those proportions constitute by far the most important element of success.
"I, Giovanni Beroviero, the son of Angelo, of Murano, the glass-maker, being in my father's absence and in his stead the Master of our honourable Guild of Glass-makers, do entreat your Magnificence to interfere and act for the preservation of our ancient rights and privileges and for the maintenance of the just laws of Venice, and for the honour of the Republic, and for the public good of Murano.
Themistocles, a glass-maker. Epaminondas, a maker of mirrors or looking-glasses. Brutus and Cassius, surveyors or measurers of land. Demosthenes, a vine-dresser. Cicero, a fire-kindler. Fabius, a threader of beads. Artaxerxes, a rope-maker. Aeneas, a miller. Achilles was a scaldpated maker of hay-bundles. Agamemnon, a lick-box. Ulysses, a hay-mower. Nestor, a door-keeper or forester.
The French, you see, as well as the Venetians, had long been experimenting with glass-making and since it was considered there, as here, an art, many penniless Huguenot gentlemen who had lost their fortunes took it up; for one might be a glass-maker and still retain his noble rank. Such was Bernard Palissy " "The potter!" interrupted Jean. "I learned all about him in my history." Giusippe nodded.
The tool, the manufacture of which presented the most difficulty, was the pipe of the glass-maker, an iron tube, five or six feet long, which collects on one end the material in a state of fusion. But by means of a long, thin piece of iron rolled up like the barrel of a gun, Pencroft succeeded in making a tube soon ready for use. On the 28th of March the tube was heated.
They are of an elegant round figure, with covers, and two double handles, the formation of which must convince persons capable of appreciating the difficulties which even the modern glass-maker would have in executing similar handles, that the ancients were well acquainted with the art of making round glass vessels; although their knowledge appears to have been extremely limited as respects the manufacture of square vessels, and more particularly of oval, octagonal, or pentagonal forms.
Pearce Joseph, cordwainer, St. St. Parker James, carver and gilder, St. James. Phillips Samuel, glass-maker, St. Philip. Parker Edward, grocer, St. St. Nicholas. Prigg Francis, iron-founder, St. Philip. Poole William, tailor, St. Michael. Phillips William, plasterer, St. Phillip. Price William, tiler and plasterer, St. St. Nicholas. Penny Thomas, painter, Castle Precincts.
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