Printed 'Clarion Pamphlet, No. 11.': 'Lecture on Agriculture. Read before the Balloon Society of London on February 3rd, 1893.'

32pp., 12mo. In faded green printed wraps with full title and advertisements. Disbound. In good condition, on aged high-acidity paper in brittle slightly-chipped wraps. The first edition was published in 1893 in Dorking by R. J. Clark. This third edition includes new material in seven appendices, pp.19-32, beginning with 'Results in 1893 - A year of drought.' Now scarce.