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VI. CPtfrt of a Letter from Mr. Thomas Robie, 
(pbyjician in New-En gland, to the (Reverend 
Mr. Derham, F. R. S. Concerning the Ejfe&s 
of Inoculation 5 The Eclipfe of the Sun in No- 
vember 17225 And the Venom of Spiders. 
Salem , Tuefday Jane 4. 
1723. 
W E don’t as yet fee any ill EfFeds of Inoculation, 
but the Inoculated are as yet as well, and fome 
of them a great deal better than ever *, as for the ill 
Confequences that have been in England , I can’t tell 
what they may arife from, but I can hardly think 
they are the genuine EfFeds of Inoculation, but may 
arife from fome previous Difpofition to fuch Diftem- 
pers as you mention, or for want of due Evacuations 
after Inoculation, and too foon healing the Places of 
Inciiion j but I dare not pretend to fay any more, and 
fo leave it to the Opinion of better Judges 5 but only 
allure you 1 don’t know, as yet of any fuch ill EfFeds 
in this Country. 
As to the great Eclipfe of the Sun in November 
lad, I will give you my Observations thereof, when I 
have told you, that at Yale College, in Connecticut 
Colony, I have an Account that their Obfervers fup- 
pofed it to be but about 8 Digits, when by my Calcu- 
lation for Cambridge , it was to have been above 11. 
Tale College lies about S f or io ; Weft from Camb , 
in Lat. about 41°! North. I never calculated it for 
that place ; but I did for London , and it agrees to about 
L 2 7' or 
c 
