Description | They have been waiting some time for the 100 copies of the plates illustrating the Report on Colour Vision and Rix wishes to know how soon they will be delivered to Messrs Harrison & Sons. If they will send Rix one proof plate he will add a headline and plate number for use in the 'Proceedings of the Royal Society', for which purpose they will require 1500 copies, in addition to the 100 already ordered. |