| Year | 1914 |
| Date | 19-Nov |
| Volume | 31 |
| Issue | 708 |
| Page | 468 |
| Category | General |
| Part | |
| Title | A Cheap Hygrometer |
| Author | D.Vernon |
| Notes | Made from a Bunch of Human Hair and a Shilling Clock. In perspective, hygrometer chart showing daily variations of humidity of the atmosphere, elevation & plan |