- Jonas Chickering’s piano manufacturing business, “Chickering & Sons”, is at the pinnacle of its success. Chickering & Sons factory in Boston, the leader of piano manufacturing in Western hemisphere, builds 25 pianos per week (1,300 per year).
- Heinrich Engelhard Steinweg begins to work at Lighte, Newton & Bradbury, making piano soundboards and earning $6 per week. Karl and Wilhelm work for piano manufacturer William Nunns & Company, earning $3 per week. Heinrich, Jr. makes piano keyboards for innovative pianomaker James Pirsson, and earns $7 per week. (According to some accounts, the Steinwegs also build unmarked pianos in their house at 199 Hester Street, and sell them to various piano manufacturers and dealers, who then stencil or carve their own names to piano fallboards.)