Her large white hands were exceedingly skilful, and it would have needed sharp eyes to see that the papers of medicine had been tampered with.
After this, she cut a sheet of the writing-paper into four square pieces, and very neatly made out of three of them three very small open boxes, for moulds, each of the size of a large lump of sugar, and she set them up side by side in a row.

One was larger than the other two.
They had brought her powdered sugar, with the juice of a lemon in a glass and a decanter of water; she had said that if she were thirsty she would make herself a glass of lemonade in the night.

She had also a bottle of ordinary sticking gum.
She took the sugar and mixed a very little with some of the stuff she had pulverized, and with a few drops of the gum, till it was a stiff, hard paste, and with the end of the paper-knife she carefully filled the largest of her three moulds with it.

She was sure that it would be dry and hard by the next day, and it would have the size, the appearance, and somewhat the taste of a lump of sugar.
Then she halved the little heap of arsenic medicine as exactly as she could.

There were nine powders in all.