Helios Planetarium – Set of Original Spare Parts A useful selection of original spare parts for the Cochrane’s Helios Planetarium, ideal for restoring or completing an existing model. These components are increasingly hard to find and essential for the correct functioning and appearance of the planetarium. Included in this lot: • Power unit (220–240V input, 6V DC / 2A output, thermal overload protection, double-insulated) • 7 planets + half Sun • 2 pulleys • 4 small human figures • Two transparent discs, one with ‘trajectories’ • Magnetic ‘tape’ These parts belong to the well-known Helios orrery system, a working mechanical model of the Solar System widely used in astronomy education. Perfect for collectors, restorers, schools, or anyone looking to bring a Helios planetarium back to full working order. Please note: this listing concerns only the spare parts listed above, not a complete Helios unit.