4 ms·
I was the same way about landline telephones - the fact that they carried their own power source was unexpected.
by sircastor 6y ago
I was the same way about landline telephones - the fact that they carried their own power source was unexpected.
- pp19dd 6y agoAnd very useful. We used them to power shortwave radios in '93, during the war in the Balkans to figure out what the heck was going on since there were communication blackouts.