Electric clocks and how to make them.
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
London :
P. Marshall,
[1949]
|
| Subjects: |
| Physical Description: | viii, 197 pages : illustrations ; 19 cm. |
|---|
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
London :
P. Marshall,
[1949]
|
| Subjects: |
| Physical Description: | viii, 197 pages : illustrations ; 19 cm. |
|---|