Annual Report to Shareholders
Nalco Chemical
| Field | Value |
|---|---|
| Harvard | 1946-74,79-84., 1985-94. |
| Purdue | 1946-1968, 1969-1979, 1980-1991, 1992-1998. |
| MIT | 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1974 |
| Western Ontario | 1987-96 |
| Field | Value |
|---|---|
| Harvard | 1946-74,79-84., 1985-94. |
| Purdue | 1946-1968, 1969-1979, 1980-1991, 1992-1998. |
| MIT | 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1974 |
| Western Ontario | 1987-96 |