Code Book Collection
Code Book Collection
- 46-1895
- 47-1949 West Penn
- 48-1915 Chicago
- 49-1915 Ontario
- 50-1961 Victoria, Australia
- 51-1956 Burbank California
- 52-1961 Santa Clara Co. California
- 53-Mill Mutual
- 54-1930 Chicago
- 55-1932 Syracuse NY
- 56-1955 Iowa Power & Light Co
- 57-1929 PSEG (Newark NJ)
- 58-1955 Philadelphia
- 59-1986 SAA (Australia)
- 60-1948 NESC