Allen wrench

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A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

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German machine gunners occupy a trench during World War I.

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Germans from East and West stand on the Berlin Wall in front of the Brandenburg Gate in the November 10, 1989, photo, one day after the wall opened.

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An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

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The Battle of New Orleans, by E. Percy Moran, c. 1910. Andrew Jackson, War of 1812.

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Adolf Hitler (Nazi, nazism, German leader).

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Allen wrench

tool

Learn about this topic in these articles:

wrenches

In wrench
…usually referred to as an Allen wrench; it consists of a hexagonal bar of tool steel shaped into the form of an L, either end of which fits into the recess.
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