And, amid these rich and potent devices of the culinary art (not one of which, probably, had been tested, within the memory of any man's grandfather), poor Hepzibah was seeking for some nimble little titbit, which, with what skill she had, and such materials as were at hand, she might toss up for breakfast.
Early kraft pulp mills discharged black liquor to watercourses. Black liquor is quite toxic to aquatic life, and causes a very dark caramel color in the water. The invention of the recovery boiler by G.H. Tomlinson in the early 1930s, was a milestone in the advancement of the kraft process.
Stool color can change for a variety of reasons. The change may reflect substances that are added to stool, or changes to substances normally present in stool. Some stool color changes may suggest an underlying medical condition, and others may be due to ingestion of certain foods or medications. Black Stools (Not Sticky, No Odor) Causes of black stool include iron pills or bismuth-containing medications (such as, bismuth subsalicylate or Pepto-Bismol).