ELLIOT(1875) p351 - Plate XLVII. Submarine foundation for harbor light-houses.jpg
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ELLIOT(1875) p351 Plate XLVII. Submarine foundation for harbor light houses, Coastal engineering, European Light-House Systems (1875) by ELLIOT, Uploaded by the British Library, Images from the British Library Mechanical Curator collection, Images from the British Library
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ELLIOT 、p351 プレート XLVII。港湾灯台の海底財団、沿岸工学、欧州光住宅システム(1875)、大英図書館、大英図書館機械学講習所の画像、大英図書館の画像
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forty-seven forty-eight