Vlny a zvuk

Suitable as a source of intense, high-frequency sound, for example,...

Lip whistle for experiments on pitch as a function of resonance...

All-purpose dual-channel amplifier for long or short microphone...

Miniature microphone at the end of a long rod for measuring changes...

Model of the human eye, enlarged to a scale of 3 to 1, including the...

A wooden box open at both ends, with a clamping mechanism for a...

Noise • Damages hearing • Makes it more difficult to hear genuinely...

These polished polyacrylate blocks are used to investigate multiple...

This accessory to equipment set for longitudinal and transverse waves...

Quincke’s resonance tube is used for demonstrating interference...