Teching Galileo Pendulum Clock Full Aluminum Alloy Stirling Engine Model DM25

Description Brand Name TechingItem Name Galileo Pendulum Clock Engine ModelItem No DM25Size 14258200mmWeight About 1600gMaterial Aluminium AlloyAge Kids over 10 years oldPares Quantity 91 PCsFor English Manual Please Click Here For More Teching Engine https www banggood com search teching 133 0 0 0 0 44 0 price 0 0 p 1 html sbc 1Features 100 brand new with high quality Origin of the story The physical phenomenon of the swing In 1582 the 18 year old Galileo observed the phenomenon that the swing frequency of the bell was fixed in a church in Pisa The application of this physical phenomenon to the pendulum clock was 75 years later The people are sailing more and more frequently and the precise timing position and distance become an urgent need The 28 year old Huygens designed the gravity pendulum tool at this time and the error of one day is less than 10 seconds Product material and workmanship The product uses metal material CNC casting precision casting aluminum alloy oxidation coloring collection of craftsmanship level exquisite workmanship 91 parts are all polished by professional grinding tools perfect interpretation of human wisdom in the era of big industry create and yearning Vision The mechanical mechanism is extremely presented and the clear transmission process is clear at a glance and the mechanical beauty of the logic and strength is displayed Reducing degree Based on historical inventions and products it presents the core principle o