industries.

* * * * *

THE GREAT HEAT OF THE SUN.--Prof. S. P. Langley has made the following
calculation: A sunbeam one centimeter in section is found in the clear
sky of the Alleghany Mountains to bring to the earth in one minute
enough heat to warm one gramme of water by 1 deg. C. It would, therefore,
if concentrated upon a film of water 1/500th of a millimeter thick,
1 millimeter wide, and 10 millimeters long, raise it 83 1/3 deg. in one
second, provided all the heat could be maintained. And since the
specific heat of platinum is only 0.0032 a strip of platinum of the same
dimensions would, on a similar supposition, be warmed _in one second_ to
2,603 deg. C.--a temperature sufficient to melt it!

* * * * *




CHATEAU IN THE AEGEAN SEA.


From the site of this building, magnificent views are obtained over the
island-dotted sea and the mainland of Asia Minor: but, "though every
prospect pleases," it is a land of earthquakes, and unfortunately, the
works at the chateau have been suspended, owing to the dreadful calamity
which has recently fallen upon the district. The building is intended
for the residence of an English lady of exalted rank. It is to be built
of local white stone, the hall, staircase, etc., being lined and paved