The original Horniman Music Museum in South London was being updated and I was asked to make some 'hands on' portable displays for visitors to engage in making various sounds.

4 were mounted on trolleys so they could be brought out as required and one was fixed to a wall as it needed a rigid mounting.

The first was percussive, containing objects to be struck like a gong, a bell, a tuning fork, a wooden hollow box  and a xylophone

The second was stringed with mechanisms for tuning them. The third was a drum with a lever to tighten the drum skin and brushes to contact the skin and add colour to the sound.

 The next was a pipe organ. It had a hand operated bellows and a reserve air chamber. It had 3 organ pipes that were tuneable and could work separately or together to make harmonies (or discords)

The fifth was a display to demonstrate frequency. It was a long metal guitar string with a tuneable oscillator to drive  it. With the control at the slow end it produced a single waveform along it's whole length. As the frequency was increased it produced 2 waveforms which could be increased up to a maximum of 6 waveforms at the highest setting.

Sadly the Museum was only there for a couple of years before it was all moved on elsewhere.

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