Ignaz Bösendorfer
1845

Ignaz Bösendorfer
1846

Bösendorfer
1850

Bösendorfer
1879

Bösendorfer
1888

London Erard
1870

Erard
1871

Erard
1883

Erard
Circa 1884

"Chateau" Erard
1900

Paris Erard
1913

Broadwood
1849

Broadwood
1899

Schwechten
1890

Steinway Model C
1894

Steinway Pianola
1923

Chickering
1912

Bechstein
1906

Joseph Boehm
1826

John Brinsmead
c. 1888

Julius Hilse
1885

Hoffman
1785

Petrof
1898

Challen
1931

Collard & Collard
1884

Knabe
1916

Ignace Pleyel
ca. 1850

Schweigofer
1845

Streicher
1878

Clementi Square
Circa 1825

Thomas Tomkison Square
Circa 1825

Tomkinson Square
Circa 1810

William & Sons
Circa 1905