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| Reference Type: | Book Section |
| Author: | Heather, John Fry |
| Title: | The Pantagraph | Year | 1870 |
| Editor | |
| Book Title | Drawing and Measuring Instruments |
| Series Volume | 1 |
| Pages | 65-70 |
| City | London |
| Publisher | |
| Edition | Enlarged, for the most part entirely re-written |
| Editor | |
| Number of Volumes | |
| Translator | |
| ISBN / ISSN: | |
| Keywords: | |
| Abstract: | |
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