Mezue ahịrịokwu na-esonụ: Kovalevsky chịkwara kọmitii ndị na-akwadebe ihe ngosi ndị Russia na 1893 World's Columbian Exposition na Chicago na 1900 World's Fair na Paris. Site n'ebumnuche nke Kovalevsky, 1893 hụrụ mmalite nke mbipụta nke "Trade and Industry Gazette" (). N'afọ 1896, o mere atụmatụ banyere ọnọdụ ụlọ akwụkwọ azụmahịa dị na Russia. O nyekwara aka n'ịbịaru nkwekọrịta azụmahịa na Germany na mba ndị ọzọ. Site na itinye aka nke Kovalevsky,
Na 1896, e mere ihe ngosi ụlọ ọrụ na ihe osise nke Russia nile na Nizhniy Novgorod. Ka e mesịrị, na 1898, o tinyere aka n'ịmepụta iwu ọhụrụ banyere ụtụ isi gọọmenti na-akwụ maka ụlọ ọrụ. Site na 1899 ruo 1901, Kovalevsky bụ onye isi oche nke ọgbakọ pụrụ iche maka nkwadebe nke iwu gbasara ntọala ụlọ ọrụ mmepụta ihe.