Later, the pianola, patented in 1898, would work with a compressed air mechanism.Founded in 1853 in New York by the German immigrant Heinrich E. The model known simply as the handle piano became very widespread in Italy and England, and from the end of the 19th century a large number of different systems were produced, which competed for the clientele of non-musician amateurs, cafés, etc. Other pianos were later built on similar principles. His system consisted of adding to an upright piano a second set of hammers set in motion by a system of levers. The agreement also stipulated that Aeolian was to purchase a certain number of Steinway pianos per year, regardless of market demand.The mechanical piano was invented in Paris by Debain around 1850. So, to satisfy Steinway, Aeolian agreed to stop promoting its Weber brand as a luxury piano firm, and also to stop sponsoring concerts by Paderewski and other great pianists of the day. Aeolian had been under pressure to manufacture the mechanism for Steinway pianos, but Aeolian had no interest in establishing a relationship with a company it saw as direct competition. They were also available on Steinway pianos through an exclusive agreement. Aeolian Company mechanisms were mainly installed in pianos manufactured by the Aeolian Company, such as the Weber, Steck, Wheelock and Stroud.

STEINWAY pianola-piano, first quarter of the 20th century.Measurements: 134 x 159 x 77,5 cm.Early 20th century pianola-piano with Aeolian's Metrostyle Themodist Temponamic playing system, in use between approximately 19.

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