The Britains Pharmacopoeia Measure (January 1st 1826)
1 explicit minim (eM) = 1/20 eE = 0.0036000 cu.in.
1 et. scruple (eE) = eMxx = 0.720000 cu.in.
1 et. drachm (e3) = eEiii = 0.2160000 cu.in.
1 explicit ounce (eZ) = e3viii = 1.7280000 cu.in.
1 improved pint (iO) = eZxx = 34.560000 cu.in.
1 cu.ft. = 50 av.lb. rye
1 cu.ft. = 50 imp.pt. (Year of 1826)
34.560 cu.in. = 1 av.lb. rye
34.560 cu.in. = 1 imp.pt. (Year of 1826)
1 imp. gallon (iC) = iOviii = 276.48000 cu.in.
1 explicit tun = iC201.6 = 32.256 cu.ft.
1 fluid tun = iCccx = 33.6 cu.ft.
1 dry chalder = iCcclxxx = 44.8 cu.ft.
1 improved chalder = iCcclxxxviii = 46.08 cu.ft.
1 dry last = iCdlx = 89.6 cu.ft.
1 improved last = iCdlxxvi = 92.16 cu.ft.
eMxviiss / eMxvjjss = 17 1/2 eM (ss - semis (1/2))
eMxviii / eMxvjjj = 18 eM  
eMxiiiss / eMxjjjss = 18 1/2 eM  
eMixx / eMjxx = 19 eM  
eMixxss / eMjxxss = 19 1/2 eM  
eEss = 1/2 et.scr. (E - escruple)
eEi / eEj = 1 et.scr.  
eEiss / eEjss = 1 1/2 et.scr.  
eEii / eEjj = 2 et.scr.  
eEiiss / eEjjss = 2 1/2 et.scr.  
e3vss = 5 1/2 et.dhm. (3 - three scruples)
e3vi / e3vj = 6 et.dhm.  
e3viss / e3vjss = 6 1/2 et.dhm.  
e3vii / e3vjj = 7 et.dhm.  
e3viiss / e3vjjss = 7 1/2 et.dhm.  
eZxiiiss eZxjjjss = 13 1/2 et.oz. (Z - onza)
eZxiv / eZxjv = 14 et.oz.  
eZxivss / eZxjvss = 14 1/2 et.oz.  
eZxv = 15 et.oz.  
eZxvss = 15 1/2 et.oz.  
iOvss = 5 1/2 imp.pt. (O - octarius (1/8 iC))
iOvi / iOvj = 6 imp.pt. (1 imp.pt. = 1.2000000 fl.pt.)
iOviss / iOvjss = 6 1/2 imp.pt.  
iOii / iOjj = 7 imp.pt.  
iOiiss / iOjjss = 7 1/2 imp.pt.  
iCss = 1/2 imp.gal. (C - congius)
iCi / iCj = 1 imp.gal.  
iCiss / iCjss = 1 1/2 imp.gal.  
iCii / iCjj = 2 imp.gal.  
iCiiss / iCjjss = 2 1/2 imp.gal.  
& = and  
&c = and so forth (et cetera)
aa = of each a like quantity (ana)
ad = to, up to  
ad lib. = at pleasure (ad libitum)
a.c. = before meals (ante cibos)
alt.h. = every other hour (alternis horis)
aq. = water (aqua)
b.i.d. = 2 times daily (bis in die)
C = fluid gallon (congius)
c. = with (cum)
collyr. = eye lotion (collyrium)
dieb.alt. = every other day (diebus alternis)
dieb.tert. = every 3rd day (diebus tertius)
disp. = dispense (despensa)
d.t.d. = give such doses (dentur tales doses)
E = scruple (escruple)
et = and  
gt = a drop (gutta)
gtt = drops (guttae)
h.s. = at bedtime (hora somni)
in d. = daily (in die)
in vit. = in glass (in vitro)
m. = mix (misce)
non rep. = do not repeat (non repetatur)
O = fluid pint (octarius)
o.d. = right eye, daily (oculus dexter, omni die)
o.m. = every morning (omni mane)
omn.bih. = once every 2 hours (omni bihorio)
omn.hor. = once every hour (omni hora)
o.n. = every night (omni nocte)
o.s. = left eye (oculus sinister)
p.c. = after meals (post cibos)
p.d. = per day (per diem)
placebo = to please  
p.o. = by mouth (per os)
p.r.n. = as the occasion arises (pro re nata)
q.d. = once daily (quaque die)
q.h. = every hour (quaque hora)
q.i.d. = 4 times daily (quater in die)
q.s. = sufficient quantity (quantum sufficiat)
Rx = take (recipe)
S = write (put directions on medicine pack.)
Sig. = write (put directions on medicine pack.)
s.o.s. = if necessary (si opus sit)
ss = 1/2 (semis)
s.s. = without (sine)
t.i.d. = 3 times daily (ter in die)
troch. = lozenge, lozenges (trochiscus, trochisci)
ungt. = ointment (unguentum)
ut dict. = as directed (ut dictum)
Z = ounce (onza)
       
LEATHER SEALER'S OFFICE, Londonderry, Vt. April 8th 1826 Rory Ely Cole
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