The following list of numbers represents the date of manufacture followed by the piano serial numbers. The letters ‘sn’ mean serial number.
Piano Manufacturer: Kimball
1900 sn-71000 1917 sn-298200 1925 sn-360000 1933 sn-392000
1905 sn-140000 1918 sn-307000 1926 sn-364000 1934 sn-399000
1910 sn-211000 1919 sn-313000 1927 sn-368000 1935 sn-406000
1913 sn-258000 1921 sn-328000 1929 sn-378000 1937 sn-420000
1914 sn-267800 1922 sn-336000 1930 sn-383000 1947 sn-488000
1915 sn-279800 1923 sn-344000 1931 sn-386000 1948 sn-500000
1916 sn-288000 1924 sn-352000 1932 sn-389000 1949 sn-510000
Upright And Grand Pianos After 1950:
1950 sn-517000 1957 sn-579000 1964 sn-646800 1971 sn-771000
1951 sn-528000 1958 sn-586500 1965 sn-661300 1972 sn-817000
1952 sn-537020 1959 sn-595500 1966 sn-678500 1973 sn-820000
1953 sn-554200 1960 sn-604000 1967 sn-700100 1974 sn-901000
1954 sn-553000 1961 sn-607400 1968 sn-717900 1975 sn-951000
1955 sn-562300 1962 sn-617900 1969 sn-721500 1976 sn-100010
1956 sn-571300 1963 sn-630500 1970 sn-764200
Piano Manufacturer: Kingsbury Made By The Cable Company Chicago
Grand Pianos By Kingsbury Before 1949:
1901 sn-30000 1917 sn-203000 1925 sn-258000 1933 sn-302000
1905 sn-65000 1918 sn-210000 1926 sn-265000 1934 sn-303000
1910 sn-140000 1919 sn-217000 1927 sn-271000 1935 sn-304000
1912 sn-164000 1920 sn-224000 1928 sn-277000 1936 sn-305000
1913 sn-172000 1921 sn-232000 1929 sn-287000 1937 sn-308000
1914 sn-180000 1922 sn-236000 1930 sn-293000 1947 sn-310000
1915 sn-188000 1923 sn-242000 1931 sn-300000 1948 sn-312000
1916 sn-196000 1924 sn-250000 1932 sn-301000 1949 sn-315000
Aeolian Numbers After 1949:
1950 sn-318000 1958 sn-342400 1966 sn-386000 1975 sn-425700
1951 sn-321000 1959 sn-345800 1967 sn-393000 1976 sn-429300
1952 sn-323000 1960 sn-350600 1969 sn-398000 1977 sn-434000
1953 sn-326000 1961 sn-355000 1970 sn-401700 1978 sn-437000
1954 sn-333000 1962 sn-360000 1971 sn-407300 1979 sn-443000
1955 sn-336500 1963 sn-365000 1972 sn-411400 1980 sn-448000
1956 sn-338000 1964 sn-372000 1973 sn-415900 1981 sn-451000
1957 sn-339200 1965 sn-379000 1974 sn-420700 1982 sn-455200
Piano Manufacturer: Knabe
1900 sn-47000 1940 sn-124000 1966 sn-172986 1975 sn-185468
1905 sn-57000 1950 sn-144620 1967 sn-174764 1976 sn-187038
1910 sn-68000 1955 sn-154300 1968 sn-176379 1977 sn-188635
1915 sn-78000 1960 sn-162750 1969 sn-177801 1978 sn-190686
1920 sn-88000 1961 sn-169998 1970 sn-179259 1979 sn-192324
1925 sn-97400 1962 sn-166559 1971 sn-180177 1980 sn-194164
1929 sn-106100 1963 sn-168148 1972 sn-180871 1981 sn-195484
1930 sn-107300 1964 sn-169626 1973 sn-182171 1982 sn-196284
1935 sn-114100 1965 sn-171287 1974 sn-183886 1983 sn-197840
Piano Manufacturer: Kohler & Campbell
Astor Brambach Davenport Hilton Behning Campbell J.C. Hazleton Stratford Behr Brothers Celeste Kohler, Charles Tom Thumb Bacon, Francis Classic Kroger Waldorf
1900 sn-10000 1917 sn-190000 1925 sn-237000 1933 sn-270000
1905 sn-46000 1918 sn-198000 1926 sn-240000 1934 sn-272000
1912 sn-164000 1920 sn-206000 1928 sn-258000 1936 sn-276000
1913 sn-150000 1921 sn-210000 1929 sn-264000 1937 sn-278000
1915 sn-165000 1923 sn-223000 1931 sn-267000 1948 sn-403000
1916 sn-179000 1924 sn-237000 1932 sn-268000 1949 sn-406000
Upright And Grand Pianos After 1950:
1950 sn-408000 1964 sn-570000 1971 sn-643000 1978 sn-722500
1955 sn-503000 1965 sn-579000 1972 sn-653500 1979 sn-737000
1958 sn-521000 1966 sn-589000 1973 sn-660000 1980 sn-754000
1960 sn-535000 1967 sn-601500 1974 sn-683000 1981 sn-767000
1961 sn-542000 1968 sn-611000 1975 sn-695000 1982 sn-780000
1962 sn-551000 1969 sn-621000 1976 sn-708500 1983 sn-795491
1963 sn-560000 1970 sn-631500 1977 sn-712000
Piano Manufacturer: Krakauer Bros.
1900 sn-20000 1940 sn-60200 1966 sn-76600 1974 sn-82668
1905 sn-26500 1950 sn-64300 1967 sn-77400 1975 sn-83438
1910 sn-33500 1955 sn-66400 1968 sn-78216 1976 sn-84209
1915 sn-41000 1960 sn-70200 1969 sn-79001 1977 sn-84806
1920 sn-46500 1961 sn-71400 1970 sn-80430 1978 sn-85244
1925 sn-53000 1962 sn-72500 1971 sn-81477 1979 sn-85730
1929 sn-55400 1963 sn-73700 1972 sn-81632 1980 sn-86405
1930 sn-55800 1964 sn-75000 1973 sn-82171
Piano Manufacturer: Kranich & Bach
1900 sn-35000 1940 sn-74600 1971 sn-95000 1975 sn-97100
1910 sn-50000 1950 sn-77200 1972 sn-95600 1976 sn-97700
1920 sn-60900 1960 sn-86200 1973 sn-96200 1977 sn-97780
1930 sn-71000 1970 sn-93300 1974 sn-96700 1981 sn-98000
Piano Manufacturer: Kroger
1900 sn-10000 1917 sn-190000 1925 sn-237000 1933 sn-270000
1905 sn-46000 1918 sn-198000 1926 sn-240000 1934 sn-272000
1910 sn-116000 1919 sn-203000 1927 sn-250000 1935 sn-274000
1913 sn-150000 1921 sn-210000 1929 sn-264000 1937 sn-278000
1914 sn-155000 1922 sn-215000 1930 sn-266000 1947 sn-401000
1915 sn-165000 1923 sn-223000 1931 sn-267000 1948 sn-403000
1916 sn-179000 1924 sn-237000 1932 sn-268000 1949 sn-406000