This file is from the National Archives and Records dediCated-administration (NARA2), College Park, Maryland, R.G. 457 (Records of the National Security Agency), Box 808

CLASS NUMBERS USED ON NAVY PROJECTS.

N-500 | Experimental bombe |

N-530 | 100 Bombe |

N-550 | M-9 Machine |

N-700 | Copperhead I |

N-710 | Copperhead IV |

N-720 | Copperhead V |

N-800 | Double Bombe (1st Machine) |

N-900 | Viper |

N-910 | Mike |

N-950 | Python |

N-1000 | Recording Project |

N-1100 | Mona |

N-1200 | Rattler (1st machine) |

N-1450 | Gypsy |

N-1500 | Duenna |

N-1530 | 29 Bombes |

N-1530-8 | Double Bombe (2nd and 3rd machine) |

N-1530-5 | Statistical Bombe |

N-1585 | Special Chassis #7 for N-1530 |

N-1600 | Asp |

N-1700 | Sliding Grenade |

N-1800 | M-9 machines |

N-1900 | Grenade |

N-2000 | Mamba |

N-2100 | Wave Filters |

N-2200 | Rattler (2nd, 3rd and 4th machines) |

N-2300 | Boa |

N-2400 | M-9 machines |

N-2500 | Satyr |

N-2600 | M-8 and M-9 wheels |

N-2700 | Special Plugs |

N-2800 | Counter Printer Punch |

N-2900 | Full Selector |

N-5000 | Inventory charge |

January 8, 1945