[Circular approving use of Wireless telegraphic code for meteorological observers at sea, issued by Weather Bureau, for transmitting reports to Weather Bureau.]
Publication Title:
[Circular approving use of Wireless telegraphic code for meteorological observers at sea, issued by Weather Bureau, for transmitting reports to Weather Bureau.]
Display Title:
[Circular approving use of Wireless telegraphic code for meteorological observers at sea, issued by Weather Bureau, for transmitting reports to Weather Bureau.]