| Name | Radio |
| Model No. | SHARPDYNE MODEL No. 460 |
| Country | Japan |
| Year | Manufactured in 1933年 |
| Manufacturer | Manufactured by Hayakawa Metal Industry Laboratory |
| Notes | Vacuum tubes: 4 tubes |
The Taizo Arakawa Collection
SHARPDYNE MODEL No. 460
| Name | Radio |
| Model No. | SHARPDYNE MODEL No. 460 |
| Country | Japan |
| Year | Manufactured in 1933年 |
| Manufacturer | Manufactured by Hayakawa Metal Industry Laboratory |
| Notes | Vacuum tubes: 4 tubes |
The Taizo Arakawa Collection