Letter from Joseph Norman Lockyer, on his paper 'Preliminary report on the results obtained with the prismatic camera during the eclipse of 1896' to Arthur William Rucker Despite the referee's wishes for a spectrum photograph to be produced, he believed it should be left in its present form as it 'only represents an undivided observation'. Subject: Astronomy [Published in Proceedings of the Royal Society, 1896]. 15 January 1896