Please pass the strychnine: the art of Victorian pharmacy

Table 1: Apothecary weights and measures1 Solid measures Liquid measures 1 grain (gr) = 65mg 1 minim (mi) = 65 mL 1 dram (dr) = 4 g 1 fl dr = 4 mL 1 oz = 30 g 1 oz = 30 mL 20 grains (gr) = 1 scruple (scr) 1 pint = 500 mL 3 scr (60 gr) = 1 dr 60 mi = 1 fl dr 480 gr (8 dr) = 1 oz 8 fl dr = 1 fl oz 5760 gr (12 oz) = 1 lb 16 fl oz = 1 pint (pt)   2 pt = 1 qt   4 qt = 1 gal Note: Values are approximate.

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