Pennyweight Pennyweight A pennyweight (abbreviated dwt, from denarius weight) is a unit of mass that is equal to 24 grains, of a troy ounce, of a troy pound, approximately 0.054857 avoirdupois ounce and exactly 1.55517384 grams. In the Middle Ages, a British penny's weight was literally, as well as monetarily, of an ounce and of a pound of sterling silver. At that time, the pound in use was the Tower pound, equal to 7,680 Tower grains (also known as wheat grains). The medieval English pennyweight was thus equal to 32 Tower grains. When Troy weights replaced Tower weights in 1527, the
Stars in My Pocket Like Grains of Sand Stars in My Pocket Like Grains of Sand Stars in My Pocket Like Grains of Sand (1984) is a science fiction novel by Samuel R. Delany. It was part of a planned duology ("diptych", in Delany's description) whose second half, "The Splendor and Misery of Bodies, of Cities", remains unfinished. The novel takes place in a distant future in which diverse human societies have developed on some 6,000 planets. Many of these worlds are shared with intelligent nonhumans, although only one alien species (the mysterious Xlv) also possesses faster-than-light travel. In an attempt to find a stable defense against the