Literaturnachweis - Detailanzeige
Autor/in | Alyea, Hubert N. |
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Titel | TOPS Projector Devices. |
Quelle | 55 (1978) 12, S.788-89Infoseite zur Zeitschrift |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Chemistry; Instructional Materials; Overhead Projectors; Projection Equipment; Science Education; Visual Aids |
Abstract | The construction of a device is described which converts an ordinary horizontal-stage overhead projector into a vertical-stage projector. The parts cost $60 and seven hours of labor are required. (BB) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
Update | 2004/1/01 |