Machine Serial No. |
Year of Issue |

A- |
Beginning 1911 |

B-1 to B-791.500 |
1904 |

B-791.501 to B-1.544.750 |
1905 |

C- |
Beginning 1908 |

D-1 to D-753.725 |
1908 |

D-753.726 to D-1.448.900 |
1909 |

E- |
Beginning 1908 |

F-1 to F-1.079.124 |
1910 |

F-1.079.125 to F-1.987.314 |
1911 |

F-1.987.315 to F-3.316.719 |
1912 |

F-3.316.720 to F-4.621.564 |
1913 |

F-4.621.565 to F-5.915.524 |
1914 |

F-5.915.525 to F-6.646.349 |
1915 |

F-6.646.350 to F-7.314.979 |
1916 |

F-7.314.980 to F-8.147.769 |
1917 |

F-8.147.770 to F-8.721.799 |
1918 |

F-8.721.800 to F-9.317.989 |
1919 |

F-9.317.990 to F-9.999.999 |
1920 |

G-1 to G-927.000 |
1910 |

G-927.001 to G-1.691.650 |
1911 |

G-1.691.651 to G-2.574.400 |
1912 |

G-2.574.401 to G-3.423.850 |
1913 |

G-3.423.851 to G-3.903.500 |
1914 |

G-3.903.501 to G-4.398.215 |
1915 |

G-4.398.216 to G-5.104.460 |
1916 |

G-5.104.461 to G-5.862.030 |
1917 |

G-5.862.031 to G-6.582170 |
1918 |

G-6.582.171 to G-7.687.950 |
1919 |

G-7.687.951 to G-8.515.550 |
1920 |

G-8.515.551 to G-9.126.000 |
1921 |

G-9.126.001 to G-9.726.300 |
1922 |

G-9.726.301 to G-0.566.400 |
1923 |

G-0.556.401 to G-0.999.999 |
1924 |

H-1 to H-1.006.000 |
1906 |

H-1.006.001 to H-1.759.650 |
1907 |

J-1 to J-885.839 |
1904 |

J-885.840 to J-1.905.204 |
1905 |

K-1 to K-594.900 |
1902 |

K-594.901 to K-1.260.800 |
1903 |

L-627.301 to L-1.165.200 |
1901 |

M- |
1900 |

N-1 to N-627.300 |
1900 |

P-1 to P-404.049 |
1900 |

P-404.050 to P-998.979 |
1901 |

R-1 to R-704.424 |
1902 |

R-704.425 to R-1.388.024 |
1903 |

S-1 to S-1.257.049 |
1906 |

S-* |
1906 |

S-1.275.050 to S-2.425.059 |
1907 |

T- |
Beginning 1906 |

V-1 to V-986.199 |
1908 |

V-986.200 to V-1.828.349 |
1909 |

W- |
Beginning 1911 |

X- |
Beginning 1919 |

Y-1 to Y-160.700 |
1920 |

Y-160.701 to Y-354.390 |
1921 |

Y-354.391 to Y-768.330 |
1922 |

Y-768.331 to Y-1.628.300 |
1923 |

Y-1.628.301 to Y-2.344.170 |
1924 |

Y-2.344.171 to Y-3.775.310 |
1925 |

Y-3.775.311 to Y-4.387.390 |
1926 |

Y-4.387.391 to Y-5.658.823 |
1927 |

Y-5.658.824 to Y-6.307.594 |
1928 |

Y-6.307.595 to Y-7.450.266 |
1929 |

Y-7.450.267 to Y-8.375.207 |
1930 |

Y-8.375.208 to Y-8.449.942 |
1931 |

Y-8.449.943 to Y-8.633.634 |
1932 |

Y-8.633.635 to Y-9.162.104 |
1933 |

Y-9.162.105 to Y-9.633.846 |
1934 |

Y-9.633.847 to Y-9.999.999 |
1935 |