Small Gear Wheel

Some articles on wheel, gears, wheels:

South-pointing Chariot - Chariots Without Differential Gears - Mechanical Designs
... A third wheel might have been used to fix the turning radius ... If the chariot was turning, the pointing doll was connected by gears to one or other of the two main road wheels (e.g ... turned in opposite directions depending on which road wheel was connected to it, so its rotation compensated for the chariot turning left or right ...

Famous quotes containing the words wheel, small and/or gear:

    “Having a wheel and four legs of its own
    Has never availed the cumbersome grindstone
    To get it anywhere that I can see.”
    —Robert Frost (1874–1963)

    “The only government that I recognize—and it matters not how few are at the head of it, or how small its army—is that power that establishes justice in the land, never that which establishes injustice.”
    —Henry David Thoreau (1817–1862)

    “But Lord, remember me and mine
    Wi’ mercies temporal and divine!
    That I for grace and gear may shine,
    Excelled by nane!
    And a’ the glory shall be thine!
    Amen! Amen!”
    —Robert Burns (1759–1796)