Food containers--Manufacturers of tin and glass containers and manufacturers exclusively of other food containers. Gas--Gas-producing plants. Guns (large)--Plants manufacturing same. Hemp, jute, and cotton bags--Plants manufacturing exclusively hemp, jute, and cotton bags. Insecticides--Manufacturers exclusively of insecticides and fungicides. Iron and steel--Blast furnaces and foundries. Laundries. Machine tools--Plants manufacturing machine tools. Mines. Mines--Plants engaged exclusively in manufacturing mining tools and equipment. Newspapers and periodicals--Plants printing and publishing exclusively newspapers and periodicals. Oil--Refineries of both mineral and vegetable oils. Oil production--Plants manufacturing exclusively oil-well equipment. Public institutions and buildings. Public utilities. Railways--Plants manufacturing locomotives, freight cars and rails, and other plants engaged exclusively in manufacture of railway supplies. Refrigeration--Refrigeration for food and exclusive ice-producing plants. Seeds--Producers or wholesalers of seeds (except flower seeds). Ships (bunker coal)--Not including pleasure craft. Ships--Plants engaged exclusively in building ships (not including pleasure craft) or in manufacturing exclusively supplies and equipment therefor. Soap--Manufacturers of soap. Steel--Steel plants and rolling mills. Tanners--Tanning plants, save for patent leather. Tanning extracts--Plants manufacturing tanning extracts. Tin plate--Manufacturers of tin plate. Twine (binder) and rope--Plants producing exclusively binder twine and rope. CIVIL WAR CONDITIONS During the war period labor was much better off than during the Civil War epoch. The New York _World_ presented the following table from the _Merchants' Magazine_ of December, 1864, showing the rise of prices during the Civil War era: _1862_ _1864_