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Updated: June 10, 2025


After another year passed in this new pursuit, experimenting on every imaginable substance, glass, gems, flints, crystals, artificial crystals formed of the alloy of various vitreous materials, in short, having constructed as many varieties of lenses as Argus had eyes, I found myself precisely where I started, with nothing gained save an extensive knowledge of glass-making.

He recounted the ancient story of the Phoenicians, who, landing at the mouth of the river, brought from their ships lumps of soda, and, laying them upon the sand as a support for their dinner-pot, found when they had done lumps of glass among the ashes, and so rediscovered the lost art of glass-making; but to this he added, with a dubious smile, "Fire must have been hotter in those days than now.

And no sooner did English workmen find what they could do with this new material than they went mad over glass-making. Why, in 1851 they actually built for the first International Exhibit a Crystal Palace with a big glass fountain in it. Its builder was James Paxton, and he was knighted for doing it." "I should think he deserved to be!" Jean said.

Tell him he is to conduct them over the works." Mr. Wyman welcomed them cordially. "We see many visitors here, sir," said he, "and are always glad to have them come. Although glass-making is an old story to us scarce a day passes that some one does not visit us to whom the process is entirely new; and it certainly is interesting if a person has never seen it.

Since then, Blaschka explained, he had given all his attention to making models of animals. He said that his son Rudolph helped him, and that they two alone knew how the work was done. It was their knowledge of zoölogy and of botany added to their skill at glass-making which enabled them to turn out such correct copies of real objects."

Instead of making in the lower grades certain toys which are masterpieces of mechanical simplification, as tops and kites, and introducing such processes as glass-making and photography, and in higher grades making simple scientific apparatus more generic than machines, to open the great principles of the material universe, all is sacrificed to supernormalized method.

"Do you mean that five thousand would not be enough to pay for the manuscript?" asked Giovanni. "The profits of glass-making are very large when one possesses a valuable secret," said Zorzi. "Five thousand " He paused, as though in doubt, or as if making a mental calculation. Giovanni fell into the trap.

Then too the conditions of the furnaces vary at times, the draughts being better at some seasons than at others. We take a test or proof of every fresh melt, and you would be surprised to see how little these differ. Careful mixing of the raw materials is the first important item of successful glass-making; the second is the fusion by heat of the materials."

He had told her far more than he realised of his secret processes as well as of his experiments, and she had remembered it, for she alone of his children had inherited his true love and understanding of the noble art of glass-making.

Giovanni knew well enough that the law would distinguish between stealing the art of glass-making, which was merely a civil offence, though a grave one, and stealing a mantle of silk which he estimated to be worth at least two or three pieces of gold. That was theft, and it was criminal, and it was one of many crimes which Zorzi had undoubtedly committed.

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