Pre industrial age

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the evolution of an old fashioned typewriter info sheet with pictures and text on it

zsscdxfghj cara mia nina giltendez 12 stem our lady of fatima mil pictograph evolution of media before 1700s age the period of human activity between the use of

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a person writing on a piece of paper in front of a village with birds flying overhead

- SS2783621 Captioned: "When the woman wants to grind any corn, she kneels down, and, taking i both hands the convex stone, she rubs it up and down in the hollow of the lower stone with a motion similar to that of a baker pressing down his dough and rolling it in front of him." Quern-stones are stone tools for hand-grinding a wide variety of materials. They are used in pairs. The lower, stationary, stone is called a quern, while the upper mobile stone is called a handstone. They were first…

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three men sitting next to each other in front of a rock wall eating food and drinking

A review of the latest genetic evidence suggests infectious diseases are tens of thousands of years older than previously thought, and that they could jump between species of ‘hominin’. Re

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an old black and white photo of oil rigs

There was an incredible boom in the oil regions. A mysterious company ate one refiner after the other, pipelines after transporters and integrated the whole industry in a frictionless machine. The time was one of industrial concentration, and oil was no exception. Under the strong and inflexible leadership of John D. Rockefeller, the ubiquitous Standard Oil ate progressively almost the whole oil industry, controlling in 1900 about 90% of the refined oil production in the USA.

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