SANDERSON

Both items in good condition, on lightly-aged paper. Purdie's letter: 4pp., 4to. Closely and neatly written on a bifolium, with the last page cross-written over the third. Addressed, with postmarks and red wax seal, to 'G. P. Nicholson Esqre. | Wath | nr Rotherham'.

5pp., 4to. Addressed, with postmarks, to 'John Purdie Esqre | Heriot Row | Edinburgh'. In good condition, on lightly aged and worn paper. Neatly and closely written.

8vo, 14 pp (followed by blank leaf). Unbound and stitched. Text clear and complete. Fair, on aged paper. Drophead title. With 'PRIVATE' in print in the top left-hand corner of the first page, and '[285]' in the bottom left-hand corner. Dated in type at end 'T. H. S. | October 1891.' Sanderson's inscription, at the head of the first page, reads 'From the Author | [signed] S | Sept. 1918'. From the collection of Sir Victor Wellesley, and with two marginal notes by him.

8vo, 1 p. Text clear and complete. On aged and creased paper, with chipping to extremities. Thin strip of stub adhering to reverse, which carries the address in Sanderson's hand: 'Mr: Lowry | No: 57 | Tichfield St:'. He asks him to 'send the Books by the Bearer. | I find my self better & am in hopes of goeing out in a Day or two if weather permits'. He concludes by sending his compliments to Lowry's wife and daughters. Docketed in a contemporary hand at foot of page: 'One of the greatest Mathematicians of this country | Originally (and occasionally till his Death) a Taylor'.