Why reinvent the wheel? (a photo essay)


Stone wheel in a trough (by Vincent Jones, CC-BY-SA)


Wagon wheel (by Richard Sonnen, CC-BY-NC-ND)


Steamroller (by Rog Frost, CC-BY-SA)


Car wheel (by Mr T. in DC, CC-BY-ND)


Bicycle wheel (from Soil-Net, CC-BY-NC-SA)


Bulldozer tread (by John Schilling, CC-BY-NC-ND)


Eggbeater (by Candice Wouters, CC-BY-NC-ND)


Table saw (by Patrick Fitzgerald, CC-BY)


Wheel of Fortune (by Paul Stack, CC-BY-ND)


Ferris wheel (by Josh McGinn, CC-BY-ND)

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