page_title: List of Russian inventors
section_title: P
hierarchical_section_title: List of Russian inventors / Alphabetical list / P
caption_attribution_description: English: Drawing fragment of Ivan Polzunov's two-cylinder steam engine, the first two-cylinder engine in the world. Invented in 1763, built 1764-65.Русский: Рисунок, изображающий разрез котла и цилиндров первой в мире двухцилиндровой паровой машины Ивана Ползунова, изобретенной в 1763 году и построенной в 1764-65.
context_page_description: This is a list of inventors from the Russian Federation, Soviet Union, Russian Empire, Tsardom of Russia and Grand Duchy of Moscow, including both ethnic Russians and people of other ethnicities.
  This list also includes those who were born in Russia or its predecessor states but later emigrated, and those who were born elsewhere but immigrated to the country or worked there for a considerable time.
caption: Polzunov's steam engine
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