Bell for demonstrating electro-magnetic operation of apparatus and verifying that sound waves sound waves do not propagate in a fine vacuum (< 1 hPa).
Open acrylic housing with 4-mm safety sockets.
Power supply: 6 V AC
Dimensions: 100x95x50 mm³
Elektrisk dörrklocka (utbildningsprodukt)
£129
Delivery:
9-13 working days
9-13 working days
Out of stock
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