| Year | 1937 |
| Date | 23-Sep |
| Volume | 77 |
| Issue | 1,898 |
| Page | 311 |
| Category | Horology |
| Part | |
| Title | A Vienna Regulator Clock. With Notes on Construction of the Movement |
| Author | Geo. Gentry |
| Notes | Photo of movement, general arrangement of gears, edge on view, the winding arbor, barrel and main wheel |