Jisho

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臼砲
Wikipedia definition
1. Mallet's MortarMallet's Mortar was a British siege mortar built for, but never used in, the Crimean War The mortar was designed by Robert Mallet. It was constructed in sections so that it could be transported. Robert Mallet first made his design public in 1854. There was little response from the authorities until Mallet wrote to the then Prime Minister Lord Palmerston in March 1855.
Read “Mallet's Mortar” on English Wikipedia
Read “マレット臼砲” on Japanese Wikipedia
Read “Mallet's Mortar” on DBpedia

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