Christian Friedrich Theodor Steinweg, anglicized name C.F. Theodore Steinway, was a piano maker. He was the eldest son of the famous piano maker and piano company founder, Henry E. Steinway.
C.F. Theodore Steinway's patented rim bending block
Grotrian-Steinweg, known as Grotrian in the US, was a German manufacturer of prestige pianos. The company is based in Braunschweig, Germany, commonly known as Brunswick in English. Grotrian-Steinweg m
Grotrian-Steinweg grand piano inner mechanism
An early piano branded "Th. Steinweg Nachf.", meaning "successor to Theodor Steinweg"
The Grotrian-Steinweg residence and piano-making workshop in Braunschweig
The Grotrian-Steinweg Concert Hall in Braunschweig