Page:A Practical Treatise on Brewing (4th ed.).djvu/235

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OBSERVATIONS ON ELECTRICITY.
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in Calcutta, where it brought me Rs. 10 per hogshead more than either of the others. The advice I was recommended to give you was not to imitate the brewing of others, but to adhere strictly to your own plan, when you must succeed.

"Yours, very truly,
(Signed)"D. Grassick."

The beer was brewed in Spitalfields.


For the following remarks on Electricity, as connected with brewing, I am indebted to my friend Dr. Cumming, of 34, Lowndes-street, Pimlico, who has been some time engaged in investigating the effects of electricity on various substances:—

It has long been observed, that fermented liquors are soured after thunder storms, and it has not only been observed that fermented liquors are so affected, but also that butter, milk, animal food, and all organised matters, having a disposition to chemical change, are sometimes most rapidly decomposed after thunder. These changes we are induced to ascribe to electrical agency, from the well known fact, that animals killed by lightning almost immediately become putrid. Dr. Franklin relates a remarkable instance of the rapid decomposition of a "flock of sheep, assembled under a tree which