Bosanquet's enharmonic harmonium, c 1876.
4 0 c m
actual image size: 23cm x 32cm

Bosanquet's enharmonic harmonium, c 1876.

© Science Museum / Science & Society Picture Library


Enharmonic 4.5 octave harmonium designed by R H M Bosanquet of St John's College, Oxford, and constructed by T A Jennings of Hackney Road, London. Bosanquet's research into musical intervals and temperaments was influential in determining the design of keyboards for modern musical instruments.

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