ELLIOT(1875) p289 - Plate XXXV. Exterior adjustments of level in mineral-oil light house lamps.jpg
en
ELLIOT(1875) p289 Plate XXXV. Exterior adjustments of level in mineral oil light house lamps, 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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ja
ELLIOT 、p289 プレートXXXV。ミネラルオイルライトハウスランプのレベル外調整。ELLIOT、大英図書館、大英図書館機械学芸員コレクションの画像、大英図書館の画像
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mineral oil adjusting entry lamp house