TY - JOUR T1 - Determinations of Wave-Length from Spectra Obtained at the Total Solar Eclipses of 1900, 1901 and 1905 JF - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934) VL - 206 SP - 403 EP - 452 PY - 1906/01/01/ UR - http://dx.doi.org/10.1098/rsta.1906.0022 M3 - doi:10.1098/rsta.1906.0022 AU - Dyson, F. ER -