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Title: Mallet's Mortar.
Caption: An engraving depicting Mallet's Mortar, a British shell-firing mortar built for the Crimean War but never used in combat. Designed by Robert Mallet (1810-1881) an Irish geophysicist, civil engineer, and inventor. Dated 19th century.
Credit: Album / Universal Images Group / Universal History Archive/UIG
Image size: 5129 × 4089 px | 60.0 MB
Print size: 43.4 × 34.6 cm | 2019.3 × 1609.8 in (300 dpi)