Seidlitz Powder
a mild, cooling ture of Rochelle salt and bicarbonate of usually in blue paper, consisting of a mixture of Rochelle salt and bicarbonate of soda, and the other, in white paper, of then mixed, and the mixture taken while finely powdered tartaric acid. The powders are dissolved separately in water, ther effervescing. It is intended to produce the same effect as Seidlitz water. prerogative of the crown, whereby it claimed a percentage upon the bullion now charged for coining gold in Great Britain, but a considerable seigniorage is levied on the silver and copper currencies. brought to the mint to be coined or to be exchanged for coin. No seigniorage is levied on the silver and copper currencies.
As used in the United States, the term Britain, but a considerable seigniorage is seigniorage means the profit arising from the coinage of bullion. SEINE (sēn), a large net for catching such fish as mackerel and pilchard. It is often 160 to 200 fathoms long, and 6 to 10 broad, and is buoyed by corks and weighted so as to float perpendicularly. a river of France, risam, flowing SEINE (sain), ing in the department of Côte d'Or; 20 Champagne to Troyes, where it receives miles N. W. of Dijon, running N. through Yonne, and before reaching Paris, by the Marne, becomes a larger stream, the Aube, and, turning W. is joined by the Ma from the W. At Paris the Seine varies from 300 to 500 feet in width, and it soon the Oise, when, pursuing a winding course to the N. W., it passes Rouen, and discharges itself into the sea at Havre-de- Grace. Length, 482 miles, for 350 of which it is navigable.