Note 37 — Chapter XXIII
Reading edition
An Account of the Breath being visible at Sea, when the Thermometer was at 61.
The Breath is said to become
visible
at Sea or Land at any Temperature of the Thermometer not
exceeding
60°: tho’, in Latitude 41°, and Westward of the Azores Islands, being in Sight of the Peak of
st. george
, (which probably equals, if not exceeds, the Height of Teneriffe) the Observer has seen his
own Breath
, and
that
of the Sailors on Deck, when the Thermometer in the
Shade
was at 61: the Air (in January) being
then remarkably
damp.