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Adjust your range using the Hi Cut button and its three selectable frequencies
order item code 52627)
which can be hit by hand or by using a beater
Anti-feedback control to eliminate the body resonance feedback
then listen in stunning clarity with the SH-450 headphones
Diffraction Kit, 9 slides 229806 Adjust your range using theDiffraction Kit 18 slides [B]Diffraction Kit 9 Slides. Six slides of 1 to 6 slits. Three gratings to match the slits [B]Diffraction Kit 18 Slides. Six slides of 1 to 6 slits. Three gratings to match the slits . Diffraction grating 80 lines mm . Diffraction grating 300 lines mm . Single slit Tapered . Double slit Tapered . Metal gauze 300 mesh . Circular apertures 1. 0, 0. 60, 1. 40, 0. 30mm nominal diameter . Hologram . 2 Polaroids