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Vol. II.
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(

552 )

lb. troy

The French pound is equal to

7561. troy grains =

1.31268

472.5625 d° =

ox. troy

The French ounce is =r

.984504

dram

The French gros =r

59.0703125 d® =

.984504

The French grain rr

0.820421 d®

The troy pound is equal to

7021. French grains

The averdupois pound =

8538. d°

In the redu&ion of the French into Englilh meafure, the following Table will aflift,

French grains

Troy grains

I.

0.820421

2.

— •

1.640842

3-

—

2.461263

4-

=

3.281684

5-

ZZ

4.102105

6.

—

4-922526

7-

zz

5-742947

8.

——

6.563368

9-

zz

7-3837 8 9

10.

zz

8.20421

*20.

:—

16.40842

3°*

—-

24.61263

40.

ZZ

32.81684

5°-

zz

41.02105

60.

— ■

49.22526

7°- .

zz

57.42947

72. ,

—

59.070312

gros

drams

grs.

1

0

59.07

2

1

58.14

3

2

57.21

4

3

56.28

5

4

55-35

6

5

54.42

7

6

53-49

French oz.

Troy oz.

drams

grains

X.

= ~

0

7

52.56

2.

—

I

7

45-12

3-

—

2

7

37.68

4-

=

3

7

30.24

5-

4

7

22.80

6.

5

7

z 5-3 6

7-

ZZ

6

7

7.92

8.

zz

7

7

0.48

9-

zz

8

6

53.04

10.

9

6

45-60

11.

10

6

38.16

12.

zz

IX

6

30.72

*3-

zz

12

6

23.28

.14-

zz

13

6

15.84

i5-

=

14

6

8.40

Pounds

1.

zz

15

6

1

2.

3 1

4

2

3-

47

2

3

4-

—

6 3

0

4

5-

zz

78

6

5

6.

zz

94

4

6

7-

no

2

7

8.

—

126

O

8

9-

zz

141

6

9

The French toife (which correfponds with our fathom) contains 6 feet, the foot is divided into17, inches, and the inch into 12 lines.

The French half-toife was found by the authentic meafurement of the French equal to 38.355 Englilh inches; and hence

Engli/h foot

The French foot is equal to 12.785 Englilh inches, or to 1.0654167

academy to

Frenchfoot

The Englilh foot = x 1.2632 French inches, or to .9386

The fub-divifions of the foot being the fame in both countries, their relative proportions arealfo the fame; fo that the French inch = 1.0654x67 Englilh inches;—and the Englilhinch = .9386 French inches.

feet inch lines Fng. inches

The old French ell (June) = 3 ; 7 ; 10.5 French , = 46.69

m: