Letter, from John Galt to Sir John Herschel, dated at Lindsey Place, Chelsea Autograph letter signed by sender. Has sent John Frederick William Herschel's continuation of William Spence's 'Outlines' to press without any alteration. Gives the scheme adopted for the makeup of the volume. Hopes John Frederick William Herschel agrees; if not write at once as he is leaving London for some time. 23 October 1817