THE STORY OF ARTIFICIAL SILK
——
In one of his first experiments, he filtered
caustic soda through six folds of strong
bleached cotton. The result amazed him.
He could hardly believe his eyes.
I found that my filtering cloth had
undergone an extraordinary change,” he said.
“ It had become semi-transparent, contracted
and thickened.”
He showed it to his friends as a curiosity.
He did not at first realize the immense value
of his discovery.
The filter-cloth, too, had become glossy.
IT LOOKED ALMOST LIKE SILK.
He tested its strength. It had become
almost as strong as linen. It was more
receptive to dyes. It was the most superior
bit of cotton cloth that he, or anyone else,
had ever seen.
He found, by the aid of his microscope, that
caustic soda actually improves the cotton
fibre. It ripens it. It makes the filament
round instead of flat, and consequently makes
it glossier.
In 1851, he had an exhibit at the Crystal
Palace Exhibition. It attracted great atten-