Soul Music - Bellows

But the Librarian, energetically pumping the bellows and making occasional little 'ooks' of excitement, felt there was a lot more that it could do. A fully grown male orang-utan may look like an amiable pile of old carpets but he has a strength in him that would make a human of equivalent weight eat lots of rug. The Librarian only stopped pumping when the lever was too hot to hold and the air reservoirs were farting and whistling around the rivets. Then he swung himself up into the organist's seat. The whole edifice was humming softly under the enormous pent up pressure.

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Soul Music - p77