Copy letter from Robert William Frederick Harrison, to William Henry Wesley, Royal Astronomical Society Presumes the Lockyer paper to which Wesley refers in his letter of yesterday is 'Report of the Observations at Viziadrug' 1898 and the section on the work on the of the prismatic cameras. If so the four plates are being done by the stereoscopic company. The company have not yet struck off the Society's copies and Wesley might therefore ask them to strike of in addition the number of copies he requires. 2 October 1901