Transcriber’s Note: The original publication has been replicated faithfully except as listed [here].
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There are 20 grains to a scruple, 3 scruples to a dram (or “8-ball”), and 8 drams to the ounce. The following table shows the unusual symbols used in the prescriptions. If the symbols for dram, ounce and scruple display as squares or similar, the reader’s web browser needs to be set to a different default font, such as Lucida Sans Unicode. Alternatively, if the pointer is placed over these items later on in the text, a text definition will appear:
| Symbol | Meaning |
| ʒ | dram, or drachm |
| ℥ | ounce |
| ℈ | scruple |
| [ss.] | semi (half measure) |
| ℞ | Prescription |
LOIMOLOGIA:
OR, AN
Historical Account
OF THE
Plague in London in 1665:
With precautionary Directions against
the like Contagion.
By
Nath. Hodges, M. D.
And Fellow of the College of Physicians, who
resided in the City all that Time.
To which is added, An
ESSAY
On the different Causes of Pestilential
Diseases, and how they become
Contagious: