[Sca-cooks] Drachma Weight

[lilinah at earthlink.net]

Le Menagier's recipe for Pouldre Fine in Scully and Scully in "Early 
French Cookery" calls for 1 ounce and 1 drachma of ginger. However, 
the authors appear not to address the drachma weight (at least i 
can't find an explanation).

Checking The Florilegium
http://www.florilegium.org/files/COMMERCE/measures-art.html
I found:
Dram - A weight, orig. the ancient Greek drachma; hence, in 
Apothecaries' weight, a weight of 60 grains = 1/8 of an ounce; in 
Avoirdupois weight, of 27.13 grains = 1/16 of an ounce; = drachm

What i want to verify is WHICH is being used in Le Menagier, 
Apothecaries' weight or Avoirdupois (since one weighs about twice the 
other).

Also, i am led to believe that in this case a livre = 12 ounces.

For most spice blend recipes, this doesn't matter - when they give 
quantities, they are given all given in ounces. But Le Menagier uses 
both ounces and dramchae, and i want to keep the proportions correct.

Thanks again,
Anahita