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Ball Mysteries (FOR INFO - NOT ONLINE:
Ideal for computer use or connecting a music player to a car Aux in port
even for the most inexperienced learners
Adjusts the tension on the drum heads for the ideal sound
Diffraction Kit, 9 slides Electrical Kits & Components Ball Mysteries (FOR INFO -Diffraction 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
