LXX. A letter from Benjamin Franklin, LL. D. and F. R. S. to the Reverend Thomas Birch, D. D. and Secretary to the Royal Society


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I directed him pills of Millepedes and G um  A m m o­
niac made up with Bal. Sulph. to be taken twice a 
day, drinking warm milk after th e m ; by which 
means, he grew perfe&ly well, and went to fea in 
twelve days.

LXX. A  L e tte r  fr o m  Benjamin Franklin, 
L L *  D.and F. R. S . to the R everen d 
Thomas Birch, D> D .  an d Secretary to 
the R oyal Society.

S I R ,  Craven-Street, Feb. 4, 1762.
Read Feb. 4, j i  tWR. Canton did me the favour to 

X ▼ X &ew me the ingenious experi­
ments he has defcribed in the inclofed letter. T hey 
fucceeded perfectly as he has related th e m ; and I  
imagine, the communication of them muft be agree* 
able to the curious in this branch o f natural know­
ledge.

I am,

S I R ,

W ith great relpeft,

Your moft obedient

and moft humble fervant,

B. Franklin.

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