SpeOTEITM: OF Vivr A, '/(-j // /v. Ili:iri[i;i;~ llrvuv 



m 



i 



c, K H. 



Spectrum of ARCTrEUS, taken bi/ the Brothers Henry with a Flint Glass Prism of 43' 



. .ii-r. , ;--i . 



Hi h G 



Spectrum of a Caxis Majoris, taken bj/ Prof. E. C. Pickering with 4 Flint Glass Prisms of 10" 



K H. h G 



Spectettm of a Canis Minoeis, taken by Prof. E. C. Pickering tuith 4 Flint Glass Prisms of 10° 



SpECTRlM OP Capei.l.U f'llcn h>i VrM. V. t . I'h ki:iMM. "■'''' -I /'' 



SpECTKni OF AECTrRrs, taken hi Prof E. C. Pickebino with 4 Flint Glass Prisms of iO" 



T/'ii- Automatic Engraving Company, Limited, 



Strode Soad, Willesden Green 



