EditorialFlorida Gov. Ron Desantis, a Republican presidential hopeful, poses for a photo with attendees during a campaign stop in Gilbert, S.C., June 2, 2023. (Nicole Craine/The New York Times)
EditorialExtraction of saltpetre, Earth containing saltpetre is mixed with a powder, ash and water, and the solution is boiled. The lye solidifies on rods in vats to form a saltpetre, woodcut, p. 456, (Liber duodecimus), Manuel, Hans Rudolf (graveur sur bois), ...
EditorialExtraction of soda and chrysocolla, In quadrangular copper pans, water seeped through soda-earth is cooked until it solidifies into soda, soda is mixed with urine and boiled, then Chrysocolla settles on copper rods standing in it, woodcut, p. 454, (Lib...