CHAPTER VI.

LIGHTHOUSES.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bue said Uncle Nat, after

supper one evening, “if you

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

will come into my state-room at

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

once, I will show you some pict-

ures of lighthouses, and tell you

all I know upon the subject.”
The invitation was accepted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

eagerly, and there were two pair

 

 

 

 

 

of bright, searching eyes turned
toward the pictures. that Uncle
Nat pointed out.

‘Tn the first place, where rocks
or shoal water may be, we have
beacons or buoys if they will an-
swer. We make beacons of stone

 

and then again of wood or iron.

A BELL BOAT.

A very common kind of bouy is
simply a spar anchored at one end, and that we calla spar-buoy. Buoys
may be of iron, and-in that case are made hollow and will float. I know
of dangerous rocks off Boston Harbor called the Graves, and a horn-buoy
has been put there. The sea, when uneasy and moving, forces the air
into this horn, and what a solemn groan it has! Then a bell-boat may

be used, and the motion of the waves will keep the bell dismally sound-
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