BRITISH WEIGHTS AND MEASURES.

Troy Weight.

Grains

24= 1 dwt.

480= 20= 1 oz. 5760=240=12=1 lb.

Avoirdupois Weight.

N. B

7000 Troy grains make 1 pound Avoirdupois ; hence 175 pounds Troy are equal to 144 pounds Avoirdupois.

72

6=

198 =

7920=

2= 1 fathom.

16523= 1 pole.

660 220 110=40 =1 furlong.

63360=5280=1760=880=320=8=1 mile.

A mile contains 80 chains, land measure, and a chain 100 links of 22 yards; an inch contains 12 lines.

360=

60= 1 degree (°)

32400= 5400= 90=1 quadrant.

129600=21600=360=4=1 circumference.

432=21656 6=3=1= 1 hogshead.

576 288:

=

72= 8=4=2=1= 1 puncheon.

864 432=108-12=6= 3= 2=1=1 butt.

=

N. B.-The pint, quart, and gallon, for wine, ale and beer, and grain or corn, measure the same with regard to their mag. nitude; 8 of these gallons make 1 bushel; and 1 gallon contains 277.274 cubic inches, or 10 lbs. of distilled water, at 62 degrees Fahrenheit.

2= 1 quarter.

512 64 = 32= 8 =

2560320-160=40=10= 5=1 wey.

5120 640-320=80=20=10=2=1 last.

=

1 pole.

39204 27230
=

1568160=10890=1210= 40=1 rood.

6272640=43560=4840=160=4=1 acre.

10 square chains make 1 acre; 640 acres make 1 square mile; 30 acres 1 yard of land; and 100 acres 1 hide of land.

1 cubic foot=2200 cylindrical inches=3300 spherical inches = 6600 conical inches.