- C.F. Theodor Steinweg receives the United States patent #180,671, to “soundboard bind bar”.
- William Steinway meets with the Centennial judge General Oliver. William Steinway’s diary: “I hurry and meet the old gentleman, with whom I have a pleasant conversation. He begs me to give him the data for the development of pianoforte building in New York, as the task has been allotted to him to write the introduction to the Jurors reports, Albert takes him through the factory […] meet Genl Oliver and Albert at factory, again explain to Genl Oliver the Kupka-Boscovitz transaction […] “