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Signs Used by Physicians in Writing Recipes

Ib. denotes a pound; 3, an ounce; 3, drachm; Э, a scruple, gr., a grain; R, recipe. ana a. a., of each alike; Coch., a spoonful; P. A., equal quantities; ss., half of anything; iss., one and a half of anything; q. s., sufficient quantity; q.pl., much as you please; O., a pint; M., 60th part of a fluid drachm; i., one of anything; ij., two of anything; iij., three of anything; iv., four of anything; x., ten of anything; xij., twelve of anything; f., prefixed to dr. or oz., denotes fluid drachm or ounce; gtt., a drop; 3 iv. v., a cupful, 3 iss. to 3 ij., a wineglassful; f: 3ss., a tablespoonful; f. 3 iij., a dessertspoonful; f. 3. i., a teaspoonful; Pugillas, as much as can be held between the thumb and finger.