The Patented Cupola Steel Frame is constructed on the principle of our Grand Pianos, with Capo-d'Astro Bar cast integrally. Moulding on upper edge of frame front and sides.
"Upright Grand-Very handsome case, two solid Doric columns, united by stretcher to corresponding pilasters, support the keyboard. The 1901 Steinway New York catalogue states the following for the "Style I ": Unlike the revived Model K52 and K132, Steinway never resumed production of the Model I or Model R, leaving the Steingraeber 138 as the sole upright piano of this class currently in production. The Hamburg factory continued production of the Model R until 1943.
The Model I ceased production in 1929 with the onset of the Great Depression. In North America, the Model I competed with similarly sized premium uprights such as the Mason and Hamlin Model O. Steinway Hamburg followed in 1897 with the nearly identical 138 cm Model R.
1943 MASON HAMLIN PIANO SERIES
Steinway New York introduced the "Upright Grand" scale design in 1894 with the 54.7" Model I, replacing the "Cabinet Grand" series consisting of the slightly smaller Model F and the slightly larger Model G.