Referee's report by Derek Ainslie, on a paper 'The first spectrum of copper (Cu I)' by Allen Goodrich Shenstone Sectional committee: Physics Recommended for publication in Philosophical Transactions. The work is of 'lasting interest' and should be published in full. [Published in Philosophical Transactions A, 1948]. Endorsed on recto as received 15 March 1948. March 1948