Note 1247 — Chapter XVIII · OF POISONING WITH LEAD.
Reading edition
Some effect may perhaps be also owing to a difference between the proportion of saline matter contained in the water of the Crawley spring, which has been introduced into the city since Dr. Thomson resided here, and the proportion in the water with which the city was at that time supplied, I am not aware, however, of the difference between them, or that any material difference does exist.