Barrel component carrier

Multiple component holder allowing for quick selection among 4 components. Particularly useful for filters, diffracting objects, precision objects, diaphragms. Compact, practical, and very simple, it is particularly appreciated in demonstration classes. This component holder is also offered in compositions with components (see 'Components'). - Diffraction and interference (ref.: 202 677) . Barrel component holder . 4 tokens: 202 331, 202 246, 202 333, 202 245 - Filter set (ref.: 202 678) . Barrel component holder . 3 interference filters: 202 348, 202 349, 202 350 . 1 anti-heat filter: 202 421