TöPFER, J.G. — Die Theorie und Praxis des orgelbaues.

N.pl.: Frits Knuf, 1972 (1888); 2 vols., vol. 1 (vi+)xxii+953, vol. 2 unnumbered pp.; vol. 1 text, tables, bibliography, vol. 2 atlas with numerous black-white drawings, full cloth bound. Introduction by W.L. Sumner. Reprint in mint condition. ¶ l Facsimile after the 2nd German edition of 1888 in 2 vols. Volume XX in the series Facsimiles of rare books on organs and organbuilding, 'Bibliotheca organologica'. This never used set is in a better condition than copies of the original 1888 edition, and much more rare. Text in non-Gothic German language.