Machines at work
Edición de la obra Machines at work
| Autor | Ward, Alan |
|---|---|
| Editorial | Franklin Watts |
| Fecha de publicación | 1993 |
| Lugar | New York |
| Idioma | inglés |
| Páginas | 31 |
| ISBN-10 | 0531142434 |
| OCLC | 25916914 |
| LCCN | 92015692 |
| Serie | Project science |
| Número de Cutter | W256m |
An introduction to machines, from levers and pulleys to compound machinery, which includes instructions for activities and projects to illustrate the principles.