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.
Causes of Black Period Blood. Brown or dark discharge can be due to remnants of old endometrial tissues. This happens when the uterus is cleaning out old tissues and changing into newer ones. While in other cases the blood is exposed to oxygen thus the color change.