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Part of Childs’ Point

extracted text

0 ee: a ae
2 V-26-1901

I was digging out of my kit a means of solving the prob-
lem: two tiny strips of mirror, one inch wide and two
inches long, To explore a small dark hole - like this
one - hold one mirror in the opening, face down, at a
45-degree angle; with the other mirror, held close, reflect
the light of the sky, or better the sun, into the sloped
glass.

So I assembled my machinery. The sun was shining
at @ convenient angle, and the illumination of the cavity
was excellent.

I was looking down upon the back of a chickadee, the
cavity being about six inches deep. But whet of those
funny noises which I had heard? Perhaps the lady would
show off again! So, holding the engled glass in position,
I used the other hand to tap as I had before; and again
the mysterious sounds came forth. Hastily reflecting the
light into the sloping mirror, I could see the whole shows

The chickadee was pecking rhythmically, about twice