A text book on light /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London, New York [etc.] :
Longmans, Green and co.,
[1939]
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| Subjects: |
| Item Description: | "First published 1939." |
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| Physical Description: | x, 426 pages : vi plate, diagrams ; 23 cm. |