GROTRIAN-STEINWEG, Est.1858 by C. F Theodor Steinweg and Friedrich
     Grotrian. In 1860 Friedrich died and his son Wilhelm inherited part of the
    company  In 1865 C. F Theodor Steinweg sold his share and went to
     America to run Steinway & Sons, the company his father had started in
     New York.  Wilhelm Grotrian, H. O. W Schulz and Adolf Helfferich contin
    ued the company as C. F Th. Steinweg Nachf  In 1869 the name was
    changed to Grotrian, Helfferich, Schulz, Th. Steinweg Nachf  The factory
      just outside of Braunschweig was built in 1870 and is still in use.   By 1886
     Wilhelm had bought out his partners and had complete control.  Willi and
     Kurt Grotrian had joined the firm in 1895 and upon their fathers death in
     1917, they took over the company  Many names were used in the early
     1900's such as, Steinweg Nachf, Steinweg Nachf Grotrian Braunschweig,
    Steinweg, Grotrian-Steinweg Nachf, Grotrian and Grotrian Steinweg.
     Around 1926 the name of Grotrian-Steinweg was settled on.  Address, P.O.
    Box 5833, D-38049, Braunschweig, Germany 38112.
      1864-510      1896-9730     1928-58238
      1865-560      1897-10238    1929-60121
      1866-720      1898-10805    1930-61235
      1867-827      1899-11489    1931-61903
      1868-898      1900-12131    1932-62268
      1869-997      1901-12743    1933-62494
      1870-1137     1902-13642    1934-62754
      1871-1452     1903-14731    1935-63100
      1872-1776     1904-15827    1936-63515
      1873-2167     1905-16958    1937-64114
      1874-2386     1906-18137    1938-64670
      1875-2666     1907-19516    1939-65179
      1876-2964     1908-20898    1940-65499
      1877-3335     1909-22406    1941-65799
      1878-3614     1910-24171    1942-66075
      1879-3869     1911-26130    1943-66240
      1880-4175     1912-28150    1944-66500
      1881-4511     1913-30169    1945-66700
      1882-4789     1914-31541    1949-67250
      1883-5256     1915-32100    1950-67900
      1884-5376     1916-33162    1951-68800
      1885-5710     1917-34134    1952-70300
      1886-5959     1918-35069    1953-71000
      1887-6212     1919-36390    1954-73400
      1888-6618     1920-38076    1955-75500
      1889-6907     1921-39802    1956-77227
      1890-7228     1922-42075    1957-79057
      1891-7634     1923-44698    1958-80979
      1892-8015     1924-47337    1959-83277
      1893-8385     1925-50250    1960-85682
      1894-8791     1926-52506    1961-87550
      1895-9251     1927-55788     1962-89298