Daily Curves of Magnetic Declination at Trevandruni, from 18™ December,I858.till30™March,I859, By J./l. Broun. F.H.S. 



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Moon,owtkej superior meridian. *Moonon,tne inferior meridian. One. division- C * 25 ',- One • uuA-i '.£. Ascending Curves indicate movement of the North, end' <rf the. needle towards the East:. 



