Vol.3 no.1 (1939-03 issued)
| Experimental Researches on Window Hoar Crystals, a General Survey | |
| Nakaya, Ukitirô;Hanazima, Masando;Dezuno, Kenzô | 1-13 |
| On Terada's Rings of Powder | |
| Yoneta, Katuhiko | 15-22 |
| Pressure Distribution by a Pile in the Granular Mass | |
| Yoneta, Katuhiko | 23-28 |
| Deformation and Elasticity of Sand Mass | |
| Yoneta, Katuhiko | 29-32 |
| On the Distribution of Sand Grains at the Beach of Iwanai | |
| Yoneta, Katuhiko | 33-38 |
| On the Field Intensity of Radio Wave at Otaru | |
| Yoneta, Katuhiko | 39-42 |