MACHINERY AND PARTS OF MACHINERY FOR MANUFACTURING AND CONCENTRATING SULFURIC, NITRIC, AND OTHER ACIDS, CONDENSERS FOR ACIDS AND PARTS THEREOF, MACHINERY FOR DECHLORINATING AND PARTS THEREOF, DENITRATING-TOWERS, [ MACHINERY FOR MAKING GUN-COTTON AND PARTS THEREOF ], [ CONVEYERS FOR GUN-COTTON MACHINERY AND PARTS THEREOF, ] DEHYDRATING APPARATUS AND PARTS THEREOF, STRAINERS, STIRRERS, STIRRER-SHOES, ACID-AGITATORS AND PARTS THEREOF, [ KESSLER STILLS, ] STRAINER-POTS, [ HELICOID CONVEYERS, SCRA...