Vol.5 no.1 (1957 issued)
| Report of the Mauna Loa Expedition in the winter of 1956-57 | |
| Nakaya, Ukichiro;Sugaya, Juji;Shoda, Mikio | 1-36 |
| Anomaly in the Sound Velocity of the Aqueous Solution of Casein | |
| Nishida, Noboru;Kaneko, Motozo | 37-41 |
| Supercooling of Water Droplets | |
| Kumai, Motoi;Itagaki, Kazuhiko | 42-47 |