"c VAR 0010 12002A INDACT 3R 882-961 MD= 1E-37 " "c REF 0010 LOC 51 WIDTH 9 DK 1 COL 53-61 " "c EXP DEC= 1 " "c " "c INDEX OF INDUSTRIAL ACTIVITY " "c ---------------------------- " "c " "c NBER SERIES: 12002A " "c AREA COVERED: U.S. " "c UNITS: PERCENT OF NORM " "c ANNUAL COVERAGE: NONE " "c QUARTERLY COVERAGE: NONE " "c MONTHLY COVERAGE: 1/1877-12/1961 " "c SEASONAL ADJUSTMENT: NONE " "c SOURCE: RORTY, HARVARD BUSINESS REVIEW, JANUARY, 1923, P. " "c 159, FOR 1877-1898; FOR 1899 AND FOLLOWING YEARS, SEE " "c "INDUSTRIAL ACTIVITY AS RELATED TO LONG TERM GROWTH " "c PERCENTAGE DEVIATIONS," AMERICAN TELEPHONE AND TELEGRAPH " "c COMPANY. " "c " "c CHECKED MANUALLY; CORRECTED 10/4/93. " "c " "c ............................................................... "