Page:Proceedings of the Royal Society of London Vol 60.djvu/151

136 Wave-length. 1 four-prism Steinheil.
 * ( 5 ) = determined by
 * 3898 2

3899 -0 3905 -8 3907 *0 3915 -0 3929-0 3961 4 3972-0 3979 -9 4002-0 4015-0 4035-2 4056-0 4058-6 4071 -0 4072-8 4082-0 4128 3 4131 -4 4224-0 4255-7
 * 4114 -0

Stars. 3906 ’2 a Cygni 3929 ‘4 8 Orionis 3961 ‘6 a Cygni 4002 *9 a Cygni 4015 *7 a Cygni 4070 Bellatrix, 8 Orionis, a Yirginis 4072 ‘2 a Cygni, Bellatrix 4115 8Orionis 4128 ‘6 a Cygni, Bigel 4131 ’4 a Cjgni, Bigel