日本
《039》系列中的工程师小野口东二中尉著名陆军和海军士兵的镜子`Engineer Lieutenant Onoguchi Tokuji, from the Series ;Mirror of Famous Army and Navy Men (1895) by Kobayashi Kiyochika
日本
战斗工兵用火药引信摧毁天津要塞的南门，来自系列关于中国战争的插图报道`Combat Engineer Troops Destroying the South Gate of Tianjin Fortress with a Gunpowder Fuse, from the series ;Illustrated Reports of the War in China (1900~1901) by Kasai Torajirō
法国
来自普法战争的线路工程师`A line engineer from the Franco~Prussian War (1874) by Jean-Baptiste Édouard Detaille
象征性具象
科内利斯·扬兹·迈耶（1629-1701），液压工程师`Cornelis Jansz Meyer (1629~1701), Hydraulic Engineer (1650 ~ 1655) by Abraham van den Hecken
建筑
伊桑巴德王国布鲁内尔站在大东方号发射链前`Isambard Kingdom Brunel, Standing Before the Launching Chains of the Great Eastern by Robert Howlett
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