Hanapin
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Heliograph
01
heliograpo, aparato para sa pagsenyas gamit ang sikat ng araw
a device used for signaling over long distances using sunlight and a mirror, in which the mirror is used to reflect sunlight in a coded pattern to convey messages
to heliograph
01
mag-signal sa pamamagitan ng salamin at sikat ng araw, mag-heliograph
signal by means of a mirror and the using the sun's rays
