94 Mr. henly’s Experiments and 
tions be properly attended to, which I have before re- 
commended from Dr. winthrop, in Phil. Tranf. vol. 
LXIV. p. 1 5 1. 
PART II. 
On the 'electricity of chocolate : and the rejloration of that 
property to it , when loji , by melting it together with a 
, /mail quantity of olive-oil. 
HAVING been informed by my ingenious friend 
Mr. george adams, philofophical inftrument-maker to 
his majefty, that Mr. sanders, an eminent manufacturer 
of chocolate, had frequently obferved a very vivid light 
flalhing upon its furface, when coohng in the tin pans in 
which it is received from the mill; particularly in clear, 
-frofty evenings, when it would alfo ftrongly attraCt light 
fubftances, fuch as fmall particles of dull, bits of paper, 
ftraw, thread, See. (i> ; I was very defirous to afcertain,if I 
could, the caufe of thefe phenomena. For this purpofe 
I waited on Mr. sanders., in company with Mr. adams, 
and made the following experiments, ift, A large cake 
( d ) The wax-chandlers alfo, in forming their flicks, kc t of wax, are fre- 
quently fpe&ators of thefe effefls of ele<5lnc*attra£lion. 
of 
