Ingersoll Altersbestimmung nach Werknummer bis 1944
| Jahr |
Werknummer |
| 1892 |
150,000 |
| 1893 |
310,000 |
| 1894 |
650,000 |
| 1895 |
1,000,000 |
| 1896 |
2,000,000 |
| 1897 |
2,900,000 |
| 1898 |
3,500,000 |
| 1899 |
3,750,000 |
| 1900 |
6,000,000 |
| 1901 |
6,700,000 |
| 1902 |
7,200,000 |
| 1903 |
7,900,000 |
| 1904 |
8,100,000 |
| 1905 |
10,000,000 |
| 1906 |
12,500,000 |
| 1907 |
15,000,000 |
| 1908 |
17,500,000 |
| 1909 |
20,000,000 |
| 1910 |
25,000,000 |
| 1911 |
30,000,000 |
| 1912 |
38,500,000 |
| Jahr |
Werknummer |
| 1913 |
40,000,000 |
| 1914 |
41,500,000 |
| 1915 |
42,500,000 |
| 1916 |
45,500,000 |
| 1917 |
47,000,000 |
| 1918 |
47,500,000 |
| 1919 |
50,000,000 |
| 1920 |
55,000,000 |
| 1921 |
58,000,000 |
| 1922 |
60,500,000 |
| 1923 |
62,000,000 |
| 1924 |
65,000,000 |
| 1925 |
67,500,000 |
| 1926 |
69,000,000 |
| 1927 |
70,500,000 |
| 1928 |
71,500,000 |
| 1929 |
73,500,000 |
| 1930 |
75,000,000 |
| 1931 |
76,000,000 |
| 1932 |
78,000,000 |
| 1933 |
82,000,000 |
| Jahr |
Werknummer |
| 1934 |
83,000,000 |
| 1935 |
84,000,000 |
| 1936 |
85,000,000 |
| 1937 |
87,000,000 |
| 1938 |
89,000,000 |
| 1939 |
90,000,000 |
| 1940 |
92,000,000 |
| 1941 |
93,000,000 |
| 1942 |
94,000,000 |
| 1943 |
95,000,000 |
| 1944 |
96,000,000 |
| |
|
Quelle: pocketwatchrepair.com
