LYMAN. 
THE SPECTRUM OF HYDROGEN. 
145 
SPECTRUM OF HYDROGEN. 
Measured by a Diffraction Grating. 
■Wave- 
Length. 
1228.3 
1230.1 
1231.0 
1232.1 
1234.3 
1235.8 
1239.6 
1241.5 
1246.1 
1247.2 
1248.0 
1249.8 
1251.2 
1253.2 
1253.9 
1255.5 
1257.1 
1258.2 
1259.9 
1261.9 
1264.0 
1264.6 
1265.8 
1267.3 
1268.3 
1269.1 
1269.9 
1270.7 
1271.5 
1272.0 
1273.3 
1274.2 
1275.0 
1276.1 
1277.1 
1279.0 
1279.8 
1281.2 
1282.6 
1283.4 
1284.5 
1286.9 
1288.1 
Intensity. 
8 
8 
1 
5 
4 
6 
3 
2 
4 
4 
2 
3 
3 
6 
5 
4 
4 
4 
4 
8 
1 
5 
4 
1 
1 
3 
1 
4 
4 
1 
3 
1 
3 
1 
6 
1 
5 
4 
1 
6 
5 
5 
4 
1289.4 
3 
1290.4 
5 
1291.3 
2 
1293.6 
6 
1295.7 
2 
1297.4 
5 
1299. 5 
1 
1300.0 
3 
Character. 
double 
double 
double 
double 
double 
double 
Wave- 
Length. 
1302.5 
1307.5 
1311.1 
1312.9 
1314.7 
1315.6 
1319.2 
1323.4 
1325.0 
1327.1 
1327.5 
1329.3 
1331.3 
1333.9 
1335.3 
1336.1 
1337.6 
1338.7 
1340.9 
1342.4 
1343.6 
1345.4 
1347.2 
1349.1 
1350.2 
1350.8 
1352.5 
1353.6 
1355.5 
1357.3 
1358.2 
1359.2 
1360.1 
1362.4 
1363.4 
1364.3 
1365.8 
1366.5 
1367.6 
1868.0 
1369.1 
1370.4 
1371.3 
1372.1 
1372.9 
1374.0 
1374J> 
137."). "» 
1376.1 
1377.2 
1378.0 
Intensity. 
Character, 
2 
2 
2 
2 
1 
1 
4 
5 
5 
3 
2 
1 
6 
8 
2 
8 
6 
7 
1 
8 
1 
8 
9 
2 
3 
3 
8 
8 
7 
6 
4 
5 
5 
1 
8 
3 
5 
1 
3 
3 
1 
2 
6 
1 
3 
1 
2 
1 
1 
6 
1 
double 
double 
double 
double 
double 
double 
double 
double 
double 
double 
double 
double 
double 
Wave- 
Length. 
1380.2 
1380.8 
1882.9 
1383.0 
1884.2 
1385.6 
1386.3 
1387.7 
1890.0 
1891.2 
1393.2 
1394.0 
1895.2 
1896.4 
1397.5 
1398.0 
1399.0 
1400.6 
1402.0 
1402.8 
1404.3 
1405.5 
1407.3 
1408.6 
1410.5 
1411.8 
1413.0 
1414.9 
1416.1 
1419.5 
1120.3 
1426.8 
1427.8 
1429.0 
1430.1 
1431.1 
1433.0 
1434.3 
1485.2 
1436.8 
1438.0 
1439.1 
1411. 
1442.8 
1143.6 
1 4 1 5 . - 
1 4 4 1 ; . 2 
1447.4 
1449.2 
14.">'». 
14">1. 
Intensity. 
Character. 
5 
1 
1 
1 
1 
3 
4 
1 
1 
3 
7 
2 
7 
6 
1 
7 
1 
4 
8 
5 
2 
7 
3 
8 
1 
8 
2 
3 
2 
8 
3 
7 
8 
7 
3 
8 
8 
I 
7 
4 
1 
8 
1 
7 
4 
6 
2 
2 
5 
1 
double 
double 
triple 
double 
double 
double 
? 
Ware- 
Length. 
1452.0 
1 4 5 2 . 5 
1454.8 
1455.1 
1456.3 
1157.4 
1458.4 
1460.1 
1461.0 
1462.0 
1462.9 
1468.9 
1465.2 
1467.2 
1468.6 
1471.0 
1472.5 
1173.9 
1474.9 
1476.4 
1477.8 
1478.9 
1479.7 
1480.4 
1481.7 
1482.1 
1488.7 
1486.1 
1486.9 
1487.8 
1489.8 
11- 1.9 
1491.9 
1492.1 
1494.1 
1495.5 
1499.8 
1502.2 
1508.9 
1505.0 
1505.! 
1506.6 
1511.5 
1515.1 
1515.0 
1516 I 
1617.5 
I519.< 
1520.1 
1521.7 
1522.5 
Intensity 
Character. 
3 
1 
1 
7 
4 
6 
5 
4 
3 
4 
8 
3 
6 
6 
3 
3 
5 
4 
1 
3 
2 
4 
4 
5 
1 
3 
1 
9 
1 
6 
3 
7 
1 
3 
10 
8 
2 
1 
8 
1 
1 
8 
7 
6 
5 
6 
6 
2 
2 
double 
double 
double 
double 
double 
10 
