Nikola Toshkovich

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Nikola Toshkovich" – news · newspapers · books · scholar · JSTOR (December 2021) (Learn how and when to remove this message)

Nikola Stefanovich Toshkovich (Bulgarian: Никола Стефанович Тошкович) was born in Odessa, Tsardom of Russia, son of a tradesman. He was the first to use elastic rings on pistons to tighten the fit.^{[citation needed]} This was a key development that later led to the invention of the internal combustion engine.