The metric system
| Contributors: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published / Created: |
Belfast: Hughes's Academy,
[1913?].
|
| Edition: | [2nd ed.]. |
| Series: | Hughes's civil service series
|
| Subjects: | |
| Notes: | Physical description: 70 p. ; 17 cm. |