Opus mixtum

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Invention

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Science and technology

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What Wikipedia says

Opus mixtum (Latin: "mixed work"), or opus vagecum and opus compositum, was an ancient Roman construction technique. It can consist in a mix of opus reticulatum and at the angles and the sides of opus latericium. It can also consist of opus vittatum and opus testaceum.

Excerpt from the Wikipedia article “Opus mixtum”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Gaius Cornelius, Public domain, via Wikimedia Commons.