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Radio Record, 29 July 1938, Page 30

THE evolution of the organ has car- ' vied with it many remarkable changes in make-up and technique. The earliest organs had a wind chest which consisted of bellows worked by hand. The air produced actuated the bellows and so put pressure upon the pipes. The Wurlitzer, now installed in countless theatres, is the modern conception of the organ, and is capable of all kinds of effects. The Christie organ, which is featured in the 2GB "organ treasures" session every Friday at 9.15 p.m., is another example of the modern trend in organ construction.