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The Edinburgh new Dispensatory : containing 1. The Elements of pharmaceutical Chemistry ; 2. The Materia Medica; or the natural, pharmaceutical and medical History, or the Substances employed in Medicine ; 3. The pharmaceutical Preparations and Compositions ; including Translations of the Edinburgh Pharmacopoeia published in 1805, of the Dublin Pharmacopoeia in 1807, and of the London Pharmacopoeia in 1815
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APPENDIX.

WEIGHTS and MEASURES.

ENGLISH.

APOTHECARIES WEIGHT, J..

round.

Ounces. Drams. Scruples.

Grains.

Grammes.

lb l

= 12 = 96 = 288

= 5760

=

372.96

| 1 = 8 = 24

= 480

=

31.08

5 1= 3

= 60

=

3.885

9 i

= 20

=

1.295

gr. 1

0.06475

TableJbr converting Ounces, Drams, and Grains Troy into Deci-mals of the Troy Pound.

Grain.

lbs. Troy.

f Dram.

Ms. Troy.

1 Oz. lbs

Troy.

1 =

.000173611

1 =

.0104166

1 =

.083*3

2 =

.000347222

2 =

.0208333

2

. 166o

3 w

.000520833

3 =

.0312500

3 =

.2500

4 =

000694444

4 =

.0416666

4 =

.3333

5 =

.000868055

5 =

.0520833

5 =

.4166

6 =

.001041666

6 =

.0625000

6 =

.5000

7 =

.001215277

7 =

.0729166

7 =

.5833

8 =

.001388888

8 =

.6666

9 =

.001562500

9 =10==11 =

.7500.8333.9166