6636-20  H alfa narrow set
   2 x 2" both faces coated
   R. Gonzalez  Sept.19, 1993

   W.l       %
   6596     0.37
   6598     0.37
   6600     0.45
   6602     0.76
   6604     0.93
   6606     1.49
   6608     2.31
   6610     4.27
   6612     7.18
   6614    13.81
   6616    20.90
   6618    36.53
   6620    50.90
   6622    64.78
   6624    69.69
   6626    72.49
   6628    72.17
   6630    69.30
   6632    64.18
   6634    55.24
   6636    45.07
   6638    32.69
   6640    21.27
   6642    11.82
   6644     7.17
   6646     4.37
   6648     2.67
   6650     1.87
   6652     1.27
   6654     0.96
   6656     0.65