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Updated: June 4, 2025
Martin's Lane, some five or six years after Will Locke and Dulcie were wed, with its strange litter of acids and aquafortis, graving tools and steel plates. Will and Dulcie might have been some of the abounding false coiners, had it not been for the colours, the canvas, and the vessels from the potteries, all huddled together without attention to effect.
First boil a strong lye of wood-ashes, which you may strengthen with soap-lees; put in your brass work, and the lacquer will immediately come off; then have ready a pickle of aquafortis and water, strong enough to take off the dirt; wash it immediately in clean water, dry it well, and lacquer it.
Still less did he ever suspect that the surface of his drapery had really been "vulcanized." All he knew was, that India-rubber cloth "cured," as he termed it, by aquafortis, was incomparably superior to any previously made, and bore a degree of heat that rendered it available for many valuable purposes. He was again a happy man. A partner, with ample capital, joined him.
It was in the summer that these fatal bags were finished. Having occasion to be absent for a month, he left them hanging in the factory. Judge of his consternation when, on his return, he found them softening, fermenting, and dropping off their handles. The aquafortis did indeed "cure" the surface of his India-rubber, but only the surface.
A terrific grin was exhibited on their murderous countenances, while my heart throbbed with joy at the anticipation of their intoxication. The crew immediately began to beat their bellies and sing, as they passed the bottle from mouth to mouth. How often did I wish the flask ten times its size, and filled with aquafortis!
The crew began immediately to beat their bellies and sing, as they passed the bottle from mouth to mouth. How often did I wish the flask ten times its size and filled with aquafortis! I observed that the squaws drank more freely than the warriors, and again my spirits were about to be depressed when the report of a gun was heard at a distance. The Indians all jumped on their feet.
My grandfather reduced or shortened the coin of this country by three processes. By aquafortis, by clipping, and by filing. Filing and clipping he employed in reducing all sorts of coin, whether gold or silver; but aquafortis he used merely in reducing gold coin, whether guineas, jacobuses, or Portugal pieces, otherwise called moidores, which were at one time as current as guineas.
He etched very neatly, so that his work came out of the aquafortis almost finished; and but little touching-up remained to be done with the graver, which he handled very well. He made an exact calculation how long a plate would occupy him, and nothing could call him off from his work if he had not completed the daily task he had set himself.
His coat did not impress the public favorably, and it served to confirm the opinion that he was laboring under a mania. In the midst of his first disheartening experiments with sulphur, he had an opportunity of escaping at once from his troubles. A house in Paris made him an advantageous offer for the use of his aquafortis process.
Parsons' contemptuous denial, that these complicated forms could be "the operations of little, poor, helpless, jelly-like animals, and not the work of more sure vegetation;" than Baker the microscopist's detailed theory of their being produced by the crystallization of the mineral salts in the sea-water, just as he had seen "the particles of mercury and copper in aquafortis assume tree-like forms, or curious delineations of mosses and minute shrubs on slates and stones, owing to the shooting of salts intermixed with mineral particles:" one smiles at it now: yet these men were no less sensible than we; and if we know better, it is only because other men, and those few and far between, have laboured amid disbelief, ridicule, and error; needing again and again to retrace their steps, and to unlearn more than they learnt, seeming to go backwards when they were really progressing most: and now we have entered into their labours, and find them, as I have just said, more wondrous than all the poetic dreams of a Bonnet or a Darwin.
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