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Resonance Tubes
(SW-2522) |
Comprising two plastic tubes one 305 x 32 mm diameter,
the other 305 x 25 mm diameter. The small tube slides
within the other in foam plastic collars, allowing the air
column length to be varied from 300 to 530 mm.
(SW-2522/1)
Same as above, but made from glass tubes |
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