Human history becomes more and more a race between education and catastrophe.

Human-powered Burrell-Boydell “endless rail” tractor transporting dressed stones, England; ca. 1880

These types of wheels were later used on artillery pieces in WWI.

These types of wheels were later used on artillery pieces in WWI.

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One response

  1. That looks like quite a lot of work for a few stones.

    April 6, 2016 at 5:35 am

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