Harper's How to understand electrical work ; a simple explantion of electric light, heat, power, and traction in daily life /
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
New York, London :
Harper,
1908.
|
| Series: | Harper's practical books for boys ;
IV. |
| Subjects: |
| Physical Description: | xvi, 358 pages : illustrations ; 20 cm. |
|---|