Holly high-duty pumping engine, section (New Catechism of the Steam Engine, 1904).jpg
en
Holly high duty pumping engine, section (New Catechism of the Steam Engine, 1904), Cross sections of steam engines, Steam pumps, Holly high-duty pumping engine
commons
ja
ホリー高給水ポンプ車(1904年製)蒸気機関の断面部、蒸気ポンプ、ホリー高給水ポンプ車
commons_translated
steam-powered steam engine catechism internal-combustion engine