This section is from the book "Cookery From Experience", by Sara T. Paul. Also available from Amazon: Cookery From Experience.
For carpet rags. Put two ounces of cream of tartar into a gallon of water, put the rags in and boil them, add rags until all the water is used. Dissolve an ounce and a half of bicarbonate of potash in three quarts of water boiling hot, take the rags out of the cream of tartar water with a stick, put them in this mixture, rinsing them up and down with the stick, then hang up and dry; the rags are better to be torn in strips and tied in bundles.
Dissolve two ounces of red aniline in a gallon of boiling water, rinse the rags up and down in it until quite wet; then dry them.
Dissolve the contents of a box of blue in water, put the rags in, let them lie half an hour, and dry. These dipped again into the yellow dye make a bright green.
 
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