History of 3M Overhead Projectors
(Dates Are Approximate)
Model |
Year Mfg |
|
| Model 42A 500W Lamp | 1960 – 1962 | |
|
Model 42B 500W Lamp |
1962 – 1964 | |
| Model 42C 1000W Lamp | 1964 – 1967 | |
| Model 42D 2000W Lamp | 1967 – 1970 | |
| Model 66AG 360W Lamp | 1963 – 1964 | |
| Model 66AG 420W Lamp | 1964 – 1966 | |
| Model 66AG 600/1000 Lamp | 1966 – 1968 | |
| Model 66AR 515/900W Lamp | 1969 – 1971 | |
| Model 43 500W Lamp | 1960 – 1964 | |
| Model 60 420W Lamp | 1962 – 1969 | |
| Model 88/5088 400W Lamp | 1965 – 1970 | |
| Model 88/5088 500W Lamp | 1970 – 1989 | |
| Model 121/221 600W Lamp | 1967 – 1970 | |
| Model 523 600W Lamp | 1968 – 1970 | |
| Model 526 900W Lamp | 1968 – 1970 | |
| Model 521/522/526 – 625 Lamp | 1970 – 1976 | |
| Model 566RG 515W Lamp | 1971 – 1975 | |
| Model 567RG 625W Lamp | 1971 – 1975 | |
| Model 213, 413, 429 360W Lamp |
1976 – 1989 | |
| Model 6200 250W Lamp | 1980 – 1987 | |
| Model 1093/1094 (Model 66) 515W Lamp | 1986 – 1987 | |
| Model 2100 275W Lamp | 1986 – | |
| Model 2000 250W Lamp | 1987 - | |
| Model 313 360W Lamp | 1987 – 1993 | |
| Model 394 360W Lamp | 1988 – 1993 | |
| Model 395 360W Lamp | 1988 – 1993 | |
| Model 2010 275W Lamp | 1988 – 1991 | |
| Model 900 360W Lamp | 1989 - | |
| Model 955 410W Lamp | 1991 – | |
| Model 2770 360W Lamp | 1991 - |
