_diffrn_measurement.diffrn_id          'd1'
    _diffrn_measurement.device             '3-circle camera'
    _diffrn_measurement.device_type        'Supper model x'
    _diffrn_measurement.device_details     'none'
    _diffrn_measurement.method             'omega scan'
    _diffrn_measurement.details
    ; 440 frames, 0.20 degrees, 150 sec, detector distance 12 cm,
      detector angle 22.5 degrees
    ;
       
    _diffrn_measurement.diffrn_id       's1'
    _diffrn_measurement.device_type
                              'Philips PW1100/20 diffractometer'
    _diffrn_measurement.method          \q/2\q