"c           VAR 0087      06029 TO GING 3R 919-947               MD= 1E-37   "
"c           REF 0087         LOC  744 WIDTH  9             DK  12 COL 53-61  "
"c                                                 EXP DEC=  1                "
"c                                                                            "
"c              INDEX OF ORDERS FOR MACHINE TOOLS AND FORGING MACHINERY       "
"c              -------------------------------------------------------       "
"c                                                                            "
"c              NBER SERIES:  06029                                           "
"c              AREA COVERED:  U.S.                                           "
"c              UNITS:  AVERAGE MONTHLY SHIPMENTS (1926=100)                  "
"c              ANNUAL COVERAGE:  NONE                                        "
"c              QUARTERLY COVERAGE:  NONE                                     "
"c              MONTHLY COVERAGE:  01/1919-06/1947                            "
"c              SEASONAL ADJUSTMENT:  NONE                                    "
"c              SOURCE:  DATA FOR 1919-1938 ARE FROM SURVEY OF CURRENT        "
"c              BUSINESS, JULY 1934 AND FOLLOWING ISSUES; DATA FOR 1939-1947  "
"c              WERE COMPUTED BY NBER                                         "
"c                                                                            "
"c              NOTES:  DATA PUBLISHED IN THE SURVEY OF CURRENT BUSINESS      "
"c              WERE COMPUTED BY THE MACHINE TOOL BUILDER'S ASSOCIATION.      "
"c              THEY CONSTITUTE AN ADJUSTMENT OF THE COMPREHENSIVE DATA       "
"c              CURRENTLY BEING COLLECTED AND THE SERIES PREVIOUSLY           "
"c              PRESENTED TO FORM A CONTINUOUS SERIES.  IN MAKING THE         "
"c              ADJUSTMENT, THE WHOLE CURVE WAS RAISED TO BRING IT INTO LINE  "
"c              WITH THE 1926 SHIPMENTS LAW.  THIS WAS DONE BY DIVIDING THE   "
"c              WHOLE INDEX THROUGH A CONSTANT FACTOR WHICH REPRESENTED THE   "
"c              AVERAGE RELATIONSHIP FOR THE NEW AND OLD INDEX NUMBERS FOR    "
"c              ALL THE COMPANIES WHICH HAD REPORTED CONTINUOUSLY OVER THE    "
"c              15 YEAR PERIOD.  THE FACTOR USED WAS 180.3.  THE ASSOCIATION  "
"c              RECEIVED REPORTS FROM 50-60 COMPANIES FOR THE YEARS           "
"c              1919-1927; 60-80 COMPANIES FOR 1928-1933; AND 163 BEGINNING   "
"c              WITH JANUARY 1934.  SINCE JANUARY 1934, DATA HAVE BEEN        "
"c              GATHERED FROM THE MACHINE TOOL INDUSTRY AS A WHOLE AND ALSO   "
"c              FROM THE FORGING MACHINERY GROUP WHICH REPRESENTS LESS THAN   "
"c              3% OF THE COMBINED GROUPING.  NO CORRECTIONS HAVE BEEN MADE   "
"c              FOR SEASONAL VARIATIONS FOR THE REASON THAT SUCH INFLUENCES   "
"c              ARE RELATIVELY SLIGHT.                                        "
"c                   THE INDEX WAS PUBLISHED THROUGH AUGUST 1939 AND THEN     "
"c              REPLACED BY A SERIES BASED ON PRODUCTIVE HOURS AND CAPACITY   "
"c              OF COMPANIES REPORTING, NOT USED HERE.  DATA FOR 1939-1947    "
"c              WERE DERIVED BY NBER BY MULTIPLYING DOLLAR FIGURES BY THE     "
"c              RATIO:  INDEXES 1938/DOLLAR FIGURES 1938 = 1233.0/103.89 =    "
"c              11.86832.                                                     "
"c                                                                            "
"c              CHECKED MANUALLY; NO CORRECTIONS NECESSARY.                   "
"c                                                                            "