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V. A Letter frotn the Rev. Henry Miles, 
D. D. and F. R . S. to Mr . Henry Baker, 
F. R. S. concerning a very cold Day, and 
another a very hot Day, in June and July 
1749 and of the near Agreement of Ther- 
mometers in London and at Tooting. 
O 
Read Nov. 16. T' Now fulfil my Promifc made to you 
1749 X L)me time ago, in fending you au 
Account of the two Days which were fo remarkable, 
the one for Cold, the other for Heat, this laft 
Summer. 
On the iothof June , fufpetting a Prod that Night, 
I fat a China Saucer full of Water upon the Grafs- 
plot, in the Garden ; and the next Morning, a little 
before Sun-rifing, I found the Water frozen over, 
of fuch a Confiftcnce, as that I forced a Hole thro’ 
the Centre of it with my Finger, without breaking 
it clfewhere, and carried the Cake of Ice into 
the Houfe, where it remained a good While not 
difl'olved. Wind was N. W On Ionic foliowing 
Days there were fcveral confiderable Frofls, the Wind 
continuing the fame way; the fatal Eife&s of which 
arc fufficiently known throughout the Kingdom. 
July 2d, at 1 2 h 20 / my Thermometer of Faren- 
heit's Scale, in the fhaded Air, flood at 88 — , and 
at 2 h p. m. at 87. At which laft Number two others 
of the fame fort flood cxa&ly, at that Hour, in 
London. 
Having agreed with my ingenious Friend Mr. John 
Canton of Spit at- Square, to make Obi'crvations of 
the 
