It2 



KNOWLEDGE & SCIENTIFIC NEWS. 



rjuLv. 7904. 



E. 



W. 



Fig. 3. 1903 -October, 91!., 3 h., 30 m. Calcium Flocculi, H Level. 



W 



il^ 



ttat: 



^mmmm 



^ 



IHHi 



Fig. 4.-1903 October, 9d., 1 h., 4m. Hjdro;.;eii I'locculi 

 THE QREAT SUNSPOT OF 1903— OCTOBER. 



