Magee, D. F. Grandfather's Clocks: Their Making and their Makers in Lancaster County; Papers Read Before the Lancaster Historical Society, Vol. XLIII - No. 5. Lancaster, PA: Lancaster County Historical Society, 1939. Second Edition. 
Gray printed wrappers, 6 x 9 1/4 inches, 26 pp., 8 pages of illustrations, foxing to the plates. Very good. Pamphlet.
"Of all of the publications of the Lancaster Historical Society none has been in such general demand, from all over the country, as this. It was first read before the Historical Society on April 6, 1917."
This second edition was issued with some corrections and new paragraphs. A history of clock-making in Lancaster County, with brief biographies of thirty-six clockmakers.