1 gr (grain) is 64.8 milligrams
some of these bottles shown may be homeopathic doses.
Strychnine has been in many tonics for a long time, and when used that way was considered a "stimulant".
Calomel was a common mercury containing product used medically...
more here:
http://en.wikipedia.org/wiki/Mercury%28I%29_chloride
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Weezie looking at petunias 8.25.2017
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