p. 5

1102

1263a 1866

Dudley Observatory
Feby. 19 - 1866

Dr. I. A. Lapham

Dear Sir=

[Yours?] enclosing records of
the thermometer during the "cold [here?] " has been
received for which accept- my thanks -
barometer curve was also duly received, I have
not yet had time to compare your results with
my own as I wish to do, by developing in a
curve on the same scale. But it appears
however, that the maximum was reached at the
same absolute time at both stations; showing
I suppose that the "wavy" pressure was propo-
gated from N.20 South and not from the N.
west. But in the absence of sufficient
data these conjectures are of little value.

It is a great pity that we could not
have a continuous record of the barometer
thermometer or - at - twenty or more stations
in the U.S. The study of one such
shown as the present- would give us a better
insight into the theory of atmospheric phe-
nomena, than years of observations made in
the ordinary way.

I have also to thank you for your
report on the fall of rain, which is of great
value in a financial and commercial point
of view, as well as to meteorological science.