Code Book Collection
Code Book Collection
- 46-1896
- 47-1895
- 57-1949 West Penn
- 58-1915 Chicago
- 59-1915 Ontario
- 60-1961 Victoria, Australia
- 61-1956 Burbank California
- 62-1961 Santa Clara Co. California
- 63-Mill Mutual
- 64-1930 Chicago
- 65-1932 Syracuse NY
- 66-1955 Iowa Power & Light Co
- 67-1929 PSEG (Newark NJ)
- 68-1955 Philadelphia
- 69-1986 SAA (Australia)