On 9/15/2015 8:23 AM, Stormin Mormon wrote:

Got this from a friend:
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Chris, without power the only way that I understand
that you could communicate is by foot, horse,
bicycle, runner other than that you could shout,
maybe you can give me other Idea's.
Scott
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hilltop signal fires,
drums,
semaphore flags on hilltops,
light reflecting from mirrors on hilltops.
tin cans and string.
dry garden hose (for short distances), think of the tubes used to
communicate between decks in old ships.
pigeons