MECHANICAL POWER-TRANSMISSION EQUIPMENT [A preliminary report for this industry was issued December 27, 1940] Description of the industry. This industry embraces establishments primarily engaged in the manufacture of mechanical power-transmission equipment such as ball and roller bearings, gears made for sale separately, drives, shafts, etc. These establishments were formerly classified in the "Machine-shop products" industry but were given a separate industry classification at the census for 1939. The 1937 reports were retabulated to obtain figures comparable with those for 1939, but there are no figures. available for earlier years. 1 Colorado, 2 establishments; Iowa, 1; Kentucky, 1; Maryland, 1; Minnesota, 2; Missouri, 4; New Hampshire, 1; New Jersey, 7; North Carolina, 1; Ohio, 24; Oklahoma, 1; Rhode Island, 1; Tennessee, 1; Texas, 2; Virginia, 1; Washington, 2; Wisconsin, 8. 2 See GENERAL EXPLANATIONS-Definition of establishment. 3 See GENERAL EXPLANATIONS-Persons engaged-general classification. 4 See GENERAL EXPLANATIONS-Wage earners and wages. • Value of products less cost of materials, supplies, fuel, purchased electric energy, and contract work. See GENERAL EXPLANATIONS-Value added by manufacture. TABLE 3.-VALUE OF PRODUCTS FOR THE UNITED STATES: 1939 AND 1937 3, 764, 498 5, 237, 219 4,896, 628 149, 546 186, 962 4,083 1,793, 361 3, 430, 617 4,546, 859 7,063, 134 14, 174, 841 4, 250, 293 6,652, 657 13, 247, 148 118,650 130, 226 194,062 55, 163 97,765 394, 125 400, 730 132,838 9,867, 910 6, 103, 412 18,885, 152 1 Chiefly value of iron castings, conveyors, oil-burners, industrial (factory, baggage, etc.) hand trucks, pumps, and mining screens. • Includes data reported by certain establishments which were classified in other industries in 1937 but assigned to this industry for 1939. TABLE 4.-PRODUCTS, BY KIND AND VALUE, FOR THE UNITED STATES: 1939 AND 1937 TABLE 5.-WAGE EARNERS ENGAGED IN MANUFACTURING, BY MONTHS, FOR THE UNITED STATES, 1939 AND 1937, AND BY STATES, 1939 MECHANICAL POWER-TRANSMISSION EQUIPMENT TABLE 9.-PRIME MOVERS, MOTORS, GENERATORS, AND ELECTRIC ENERGY: 1939 1 1939 485 1939 STOKERS, MECHANICAL, DOMESTIC AND INDUSTRIAL [A preliminary report for this industry was issued November 18, 1940] 2 See GENERAL EXPLANATIONS-Wage earners and wages. 3 Value of products less cost of materials, supplies, fuel, purchased electric energy, and contract work. See GENERAL EXPLANATIONS-Value added by manufacture. • Figures not available for years prior to 1937. Data not available. 1 Colorado, 1 establishment; Maryland, 1; Massachusetts, 1; Minnesota, 1; Oregon, 1; South Carolina, 1; Utah, 4; Wisconsin, 2. See GENERAL EXPLANATIONS-Definition of establishment. See GENERAL EXPLANATIONS-Persons engaged-general classification. See GENERAL EXPLANATIONS-Wage earners and wages. Value of products less cost of materials, supplies, fuel, purchased electric energy, and contract work. See GENERAL EXPLANATIONS-Value added by manufacture. STOKERS, MECHANICAL TABLE 3.-VALUE OF PRODUCTS FOR THE UNITED STATES: 1939 AND 1937 1 Chiefly value of conveying and elevating machinery, pulverizers, transmission machinery, miscellaneous machine 2 No data. TABLE 4.-PRODUCTS, BY KIND, QUANTITY, AND VALUE, FOR THE UNITED STATES: 1939 AND 1937 PRODUCT 1939 487 TABLE 5.-WAGE EARNERS ENGAGED IN MANUFACTURING, BY MONTHS, FOR THE UNITED STATES, 1939 |