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# Spinning
# torque
# rotary device
# spindle
# Gilbert Doran
# atmospheric circulation
# The old man and the spindle
# rotation of functions
# About the Earth's sphericality and rotation
# Antonio Duran
# Earth's orbit and rotation
# Egypt without turning and turning
# Saturn's orbit and rotation
# spiral staircase
# force rotation
# Enrique Duran
# Europe's orbit
# About the transmission and rotation of coordinates
# About the transmission and rotation of the axles
# Transmission and rotation of axles in PDF
