How Old is my Grotrian-Steinweg Piano?

viagra pills 100mg Grotrian’s business interests took him to Moscow, where he established a successful retail concern. When he returned over a decade later to his native Germany, he founded a new piano-making partnership with Heinrich’s son, Carl Friedrich Theodore Steinweg. The moved production to Braunschweig and forged a successful business making quality pianos.

Heinrich Steinweg, meantime, have emigrated to America, change his name to Steinway and established his own company. In 1865, Heinrich died and Theodore Steinweg sold his shares and emigrated to America to run the now flourishing Steinway firm.

60 mg prednisone Dates and serial numbers when the pianos were manufactured 

1865 560
1870 1137
1880 4175
1990 7228
1900 12131
1910 24171
1920 38076
1930 61235
1940 65499
1950 67900
1960 85682
1970 104665
1980 124707
1990 141600
2001 154571