Apothecaries' Avoirdupois Weight (Years of 732 & 1154)

1 av. minim (aM)	=	1/20 aE	distill.water @ max.dens.	= 0.0036000 cu.in.
1 eM (Yr.1826)	=	1/20 aE	distill.water @ max.dens.	= 0.0036000 cu.in.
1 aM	=	1/20 aE	wine	= 0.0037500 cu.in.
1 fM	=	1/20 aE	wine	= 0.0037500 cu.in.
1 fM	=	125/2400 aE	distill.water @ max.dens.	= 0.0037500 cu.in.
1 aM	=	1/20 aE	wheat	= 0.0043750 cu.in.
1 av. scruple (aE)	=	aMxx	distill.water @ max.dens.	= 0.0720000 cu.in.
1 eE (Yr.1826)	=	aMxx	distill.water @ max.dens.	= 0.0720000 cu.in.
1 aE	=	aMxx	wine	= 0.0750000 cu.in.
1 fE	=	aMxx	wine	= 0.0750000 cu.in.
1 fE	=	500/24 aM	distill.water @ max.dens.	= 0.0750000 cu.in.
1 aE	=	aMxx	wheat	= 0.0875000 cu.in.
1 av. dram (a3)	=	aEiii	distill.water @ max.dens.	= 0.2160000 cu.in.
1 e3 (Yr.1826)	=	aEiii	distill.water @ max.dens.	= 0.2160000 cu.in.
1 a3	=	aEiii	wine	= 0.2250000 cu.in.
1 f3	=	aEiii	wine	= 0.2250000 cu.in.
1 f3	=	75/24 aE	distill.water @ max.dens.	= 0.2250000 cu.in.
1 a3	=	aEiii	wheat	= 0.2625000 cu.in.
1 av. ounce (aZ)	=	a3viii	distill.water @ max.dens.	= 1.7280000 cu.in.
1 eZ (Yr.1826)	=	a3viii	distill.water @ max.dens.	= 1.7280000 cu.in.
1 aZ	=	a3viii	wine	= 1.8000000 cu.in.
1 fZ	=	a3viii	wine	= 1.8000000 cu.in.
1 fZ	=	200/24 a3	distill.water @ max.dens.	= 1.8000000 cu.in.
1 aZ	=	a3viii	wheat	= 2.1000000 cu.in.
1 av. pound (aO)	=	aZxvi	distill.water @ max.dens.	= 27.648000 cu.in.
1 eO (Yr.1826)	=	aZxvi	distill.water @ max.dens.	= 27.648000 cu.in.
1 aO	=	aZxvi	wine	= 28.800000 cu.in.
1 fO	=	aZxvi	wine	= 28.800000 cu.in.
1 fO	=	400/24 aZ	distill.water @ max.dens.	= 28.800000 cu.in.
1 aO	=	aZxvi	wheat	= 33.600000 cu.in.
1 iO (Yr.1826)	=	aZxx	distill.water @ max.dens.	= 34.560000 cu.in.
1 cu.ft.	=	62 1/2 av.lb.	distill.water @ max.dens.
1 cu.ft.	=	60 av.lb.	wine
1 cu.ft.	=	51 3/7 av.lb.	wheat
1 cu.ft.	=	62 1/2 et.pt.	-
1 cu.ft.	=	60 fl.pt.	-
1 cu.ft.	=	51 3/7 dry pt.	-
1 cu.ft.	=	50 imp.pt.	-
27.648 cu.in.	=	1 av.lb.	distill.water @ max.dens.
28.800 cu.in.	=	1 av.lb.	wine
33.600 cu.in.	=	1 av.lb.	wheat
34.560 cu.in.	=	1 1/4 av.lb.	distill.water @ max.dens.
1 av. gallon (aC)	=	aOviii	distill.water @ max.dens.	= 221.18400 cu.in.
1 eC (Yr.1826)	=	aOviii	distill.water @ max.dens.	= 221.18400 cu.in.
1 aC	=	aOviii	wine	= 230.40000 cu.in.
1 fC	=	aOviii	wine	= 230.40000 cu.in.
1 fC	=	200/24 aO	distill.water @ max.dens.	= 230.40000 cu.in.
1 aC	=	aOviii	wheat	= 268.80000 cu.in.
1 iC (Yr.1826)	=	aOx	distill.water @ max.dens.	= 276.48000 cu.in.
1 troy ton	=	aCcclii	distill.water @ max.dens.	= 32.256 cu.ft.
1 et. tun (Yr.1826)	=	aCcclii	distill.water @ max.dens.	= 32.256 cu.ft.
1 troy ton	=	aCcclii	wine	= 33.6 cu.ft.
1 fl. tun	=	aCcclii	wine	= 33.6 cu.ft.
1 fl. tun	=	262.5 aC	distill.water @ max.dens.	= 33.6 cu.ft.
1 troy ton	=	aCcclii	wheat	= 39.2 cu.ft.
1 merchant chalder	=	aCcclxxxviii	distill.water @ max.dens.	= 36.864 cu.ft.
1 merc.chd.	=	aCcclxxxviii	wine	= 38.4 cu.ft.
1 dry chd.	=	aCcccxxxvi	wine	= 44.8 cu.ft.
1 dry chd.	=	aCcccl	distill.water @ max.dens.	= 44.8 cu.ft.
1 merc.chd.	=	aCcclxxxviii	wheat	= 44.8 cu.ft.
1 imp.chd. (Yr.1826)	=	aCccclx	distill.water @ max.dens.	= 46.08 cu.ft.
1 merchant last	=	aCdlxxvi	distill.water @ max.dens.	= 73.728 cu.ft.
1 merc. last	=	aCdlxxvi	wine	= 76.8 cu.ft.
1 dry last	=	aCdclxxii	wine	= 89.6 cu.ft.
1 dry last	=	aCdcc	distill.water @ max.dens.	= 89.6 cu.ft.
1 merc. last	=	aCdlxxvi	wheat	= 89.6 cu.ft.
1 imp. last (Yr.1826)	=	aCdccxx	distill.water @ max.dens.	= 92.16 cu.ft.

aMxvijss	=	17 1/2 aM	(ss - semis (1/2))
aMxviii / aMxvjjj	=	18 aM
aMxiiiss / aMxjjjss	=	18 1/2 aM
aMixx / aMjxx	=	19 aM
aMixxss / aMjxxss	=	19 1/2 aM
aEss	=	1/2 av.scr.	(E - escruple)
aEi / aEj	=	1 av.scr.
aEiss / aEjss	=	1 1/2 av.scr.
aEii / aEjj	=	2 av.scr.
aEiiss / aEjjss	=	2 1/2 av.scr.
a3vss	=	5 1/2 av.dr.	(3 - three scr.)
a3vi / a3vj	=	6 av.dr.
a3viss / a3vjss	=	6 1/2 av.dr.
a3vii / a3vjj	=	7 av.dr.
a3viiss / a3vjjss	=	7 1/2 av.dr.
aZxiiiss / aZxjjjss	=	13 1/2 av.oz.	(Z - onza)
aZxiv / aZxjv	=	14 av.oz.
aZxivss / aZxjvss	=	14 1/2 av.oz.
aZxv	=	15 av.oz.
aZxvss	=	15 1/2 av.oz.
aOvss	=	5 1/2 av.lb.	(O - octarius (1/8 aC))
aOvi / aOvj	=	6 av.lb.
aOviss / aOvjss	=	6 1/2 av.lb.
aOii / aOjj	=	7 av.lb.
aOiiss / aOjjss	=	7 1/2 av.lb.
aCss	=	1/2 av.gal.	(C - congius)
aCi / aCj	=	1 av.gal.
aCiss / aCjss	=	1 1/2 av.gal.
aCii / aCjj	=	2 av.gal.
aCiiss / aCjjss	=	2 1/2 av.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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