| Year | 1921 |
| Date | 30-Jun |
| Volume | 44 |
| Issue | 1,053 |
| Page | 507 |
| Category | General |
| Part | |
| Title | A Tele-Raingauge |
| Author | P.Middleton |
| Notes | At work, details showing arrangement of mechanism for a recording raingauge, complete recorder, recorder mechanism, construction & method of assembling, bucket mechanism |