Letter from E A Atkinson, West View, 10 Eastbury Avenue, Northwood, Middlesex, to Charles Vernon Boys Atkinson has been studying the part of the Guthrie lecture marked by Boys. States that he his mystified by table 2 and does not understand the proportional error column. He thinks he has gone wrong somewhere. Reports on his work on the grandfather clock and discusses the results. Reverts to analysing the Guthrie lecture and gives comments on figure 5. 4 January 1937