-------------+------------+----------------------- | | Luminosity. Scale number.|Wave-length.+----------+------------ | |Red-blind.|Green-blind. -------------+------------+----------+------------ 64 | 7217 | 0 | 1 62 | 6957 | 1 | 2 60 | 6728 | 2 | 7 58 | 6520 | 6 | 21 56 | 6330 | 12 | 50 54 | 6152 | 26 | 80 52 | 5996 | 49 | 96 50 | 5850 | 70 | 98 48 | 5720 | 77 | 93 46 | 5596 | 77 | 83 44 | 5481 | 70 | 70 42 | 5373 | 61 | 55 40 | 5270 | 47 | 40 38 | 5172 | 34 | 27 36 | 5085 | 23 | 18 34 | 5002 | 14 | 10 32 | 4924 | 8·5 | 5·5 30 | 4848 | 5·5 | 3·0 28 | 4776 | 4·0 | 2·5 26 | 4707 | 2·7 | 2·0 24 | 4639 | 1·8 | 1·8 22 | 4578 | 1·35 | 1·4 20 | 4517 | 1·1 | 1·1 -------------+------------+----------+------------ TABLE IV.--LUMINOSITY OF SPECTRUM REDUCED IN INTENSITY, SO THAT D = 1/132·5 AMYL LAMP 1 FOOT DISTANT (see Fig. 25).