Books
2 results found| Title | Authors | Description | OpenBook ID | |
|---|---|---|---|---|
|
A children's museum activity book | Bernie Zubrowski | Explains how a ball-point pen works. Presents directions for constructing tools and devices with parts of pens and for using them in experiments and demonstrations. | OL15842067W |
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Ball-point pens | Bernie Zubrowski | Explains how a ball-point pen works. Presents directions for constructing tools and devices with parts of pens and for using them in experiments and demonstrations. | OL3053621W |