Zonal Aberration and Its Consequences
First Edition. 8vo., 24 pages, illustrated; VG-; oversized grey cover with brown print, braided brown cord for binding, some foxing and spotting, edges bumped, slight tears at top edge and right edge, soiling at edges both on front and back; clean interior; "Being the Fourth Traill Taylor Memorial Lecture"; "Reprinted from the British Journal Photographic Almanac, 1903." More