Astrolabes and planetariums of Niek Swelsen astronomical clocks are driven by 3 axis. The axis are suchlike positioned that the wheels are turning each other precisely
Dial off astronomical clock
Primary-toothed-wheels
Secundary-toothed-wheels
Primary
Drive shaft
Drum
Drive wheels for moon end phase
Wheels
Secundary planet wheels
Epicycle tooth wheel transmissoin for astronomical clock
Epicycle tooth wheel transmission with zodia signs
Astronomical clockwork with transparent planisphere with 600 stars
Astronomical clock with astrolabium
Astronomical clock with astrolabium
