A temporary post office was provided at Hobart for the 12th International Conference on Cosmic Rays (16th-25th August, 1971).
Details
- Date: 16 August 1971 – 25 August 1971
- Quantity:
- 3705 (ordinary articles)
- 39 (registered articles)
A temporary post office was provided at Hobart for the 12th International Conference on Cosmic Rays (16th-25th August, 1971).