Serial (Register) Numbers for machines with a single letter prefix

Machine Serial No. A- B-1 to B-791.500 B-791.501 to B-1.544.750 C- D-1 to D-753.725 D-753.726 to D-1.448.900 E- F-1 to F-1.079.124 F-1.079.125 to F-1.987.314 F-1.987.315 to F-3.316.719 F-3.316.720 to F-4.621.564 F-4.621.565 to F-5.915.524 F-5.915.525 to F-6.646.349 F-6.646.350 to F-7.314.979 F-7.314.980 to F-8.147.769 F-8.147.770 to F-8.721.799 F-8.721.800 to F-9.317.989 F-9.317.990 to F-9.999.999 G-1 to G-927.000 G-927.001 to G-1.691.650 G-1.691.651 to G-2.574.400 G-2.574.401 to G-3.423.850 G-3.423.851 to G-3.903.500 G-3.903.501 to G-4.398.215 G-4.398.216 to G-5.104.460 G-5.104.461 to G-5.862.030 G-5.862.031 to G-6.582170 G-6.582.171 to G-7.687.950 G-7.687.951 to G-8.515.550 G-8.515.551 to G-9.126.000 G-9.126.001 to G-9.726.300 G-9.726.301 to G-0.566.400 G-0.556.401 to G-0.999.999 H-1 to H-1.006.000 H-1.006.001 to H-1.759.650 J-1 to J-885.839 J-885.840 to J-1.905.204 K-1 to K-594.900 K-594.901 to K-1.260.800 L-627.301 to L-1.165.200 M- N-1 to N-627.300 P-1 to P-404.049 P-404.050 to P-998.979 R-1 to R-704.424 R-704.425 to R-1.388.024 S-1 to S-1.257.049 S-* S-1.275.050 to S-2.425.059 T- V-1 to V-986.199 V-986.200 to V-1.828.349 W- X- Y-1 to Y-160.700 Y-160.701 to Y-354.390 Y-354.391 to Y-768.330 Y-768.331 to Y-1.628.300 Y-1.628.301 to Y-2.344.170 Y-2.344.171 to Y-3.775.310 Y-3.775.311 to Y-4.387.390 Y-4.387.391 to Y-5.658.823 Y-5.658.824 to Y-6.307.594 Y-6.307.595 to Y-7.450.266 Y-7.450.267 to Y-8.375.207 Y-8.375.208 to Y-8.449.942 Y-8.449.943 to Y-8.633.634 Y-8.633.635 to Y-9.162.104 Y-9.162.105 to Y-9.633.846 Y-9.633.847 to Y-9.999.999

Year of Issue Beginning 1911 1904 1905 Beginning 1908 1908 1909 Beginning 1908 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1906 1907 1904 1905 1902 1903 1901 1900 1900 1900 1901 1902 1903 1906 1906 1907 Beginning 1906 1908 1909 Beginning 1911 Beginning 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935