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photography, specially noting the remarkahle achievement of the 

 Brothers Henry of Paris, who had recently succeeded in obtaining 

 impressions of nebulae and faint stars by means of a sensitive 

 plate adapted to a telescope, which had never before been placed 

 on any chart. He called particular attention to the vast field 

 here opened out to photography and its future importance as the 

 handmaid of astronomy. 



Mr. Burrows in conclusion remarked on the difficulties which 

 are involved in the problem of colour-photography. 



