Roads and Boundaries of Land.

7.92 Inches

1 Link

20 Links

1 Rod

4 Rods

1 Chain

66 Feet

1 Chain

80 Chains

1 Mile


9 inches

1 Span

8 Spans or 6ft

1 Fathom

120 Fathoms


7 1/2 C Length

1 Nau. Mile

3 Miles

1 League


625 Sq. Links

1 Pole

16 Poles

1 Sq. Chain

10 Sq Chains

1 Acre

640 Acres

1 Sq. Mile

36 Square Miles

2 Townships.


1 Geographic Mile

1 3/20 Stat. Mile

3 Geographic Mile

1 League

60 Geographic Mile

1 Degree

69.16 Stat. Mile

1 Degree

360 Degrees

Circum. of Earth


Apothecaries' fluid measure

60 Minims, or drops (m)

1 Fluidrachm

f3

8 Fluidrachims

1 Fluidounce

f z/3

16 Fluidounces

1 Pint

O

8 Pints

1 Gallon

Cong

1 Cong

8 O

61440 m


O stands for the Latin Octarius, a Pint
C stands for Congius, a gallon
A common teaspoonful, or 45 drops, makes about one fluidrachm.
A common tablespoon holds about half a fluid ounce.
Rx is an abbreviation for recipe, or take
20 Grains gr

1 Scruple

sc

3 Scruples

1 Dram

dr

8 Drams

1 ounce

oz

12 Ounces

1 Pound

lb

1 lb

12 oz

5760 gr.


16 Parts

1 Grain

4 Grains

1 Carat

1 Carat

31/5 Troy gr., nearly


1 Carat

10 pwts

1 Carat gr.

60 Troy gr

24 Carats

1 Troy lb


Solar year

365 da 5 hr. 48 min. 49.7 sec

Common Year

365 days

Leap Year

366 days


Circle A Circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the centre.

Circumference

A circumference of a circle is the line that bounds it.

Arc

An arc is any part of the circumference.

Measure of an angle

The measure of an angle is the arc of the circle included between its two sides

Degree

A degree is the angle measured by the arc of 1/360 part of the circumference of a circle.


60 Seconds (")

1 Minute

'

60 Minutes

1 degree

o

30 Degrees

1 Sign

s

12 Signs or 360 degrees

1 circumference

c


Semi Circumference

is onehalf of a circumference, or 180 degrees

Quadrant

is onefourth of a circumference, or 90 degrees

Sextant

onesixth of a circumference or 60 degrees

Sign

onetwelfth of a circumference, or 30 degrees

Degree

is one ninetieth of a right angle

Length of Degree

Length of degree varies with the size of the circle

Minute

a minute of the earth's circumference is called a geographic, or nautical mile, and is about 1 1/2 common miles


4 fluid ounces

1 gill

4 gills

1 pint

2 pints

1 quart

4 quarts

1 gallon

31 1/2 gallons

1 barrel

2 barrels

1 hogshead

2 hogsheads

1 pipe

2 pipes

1 tun


2 pints

1 quart

8 quarts

1 peck

4 pecks

1 bushel

105 quarts

1 barrel


12 inches

1 foot

3 feet

1 yard

5 1/2 yards

1 rod

16 1/2 feet

1 rod

40 rods

1 furlong

660 feet

1 furlong

8 furlongs

1 statute mile

1760 yards

1 statute mile

5280 feet

1 statute mile

3 miles

1 league

3 barleycorns

1 inch

12 lines

1 inch

72 points

1 inch

1000 mils

1 inch

2 1/2 inches

1 nail

3 inches

1 palm

4 inches

1 hand

9 inches

1 span

18 inches

1 cubit

2 1/2 feet

1 military pace

5 feet

1 geometrical pace


3 teaspoonfuls

1 tablespoon

1/2 fluid ounce

1 tablespoon

16 tablespoonfuls

1 cupful

2 gills

1 cupful

1/2 liquid pint

1 cupful

8 fluid ounces

1 cupful

2 cupfuls

1 pint

16 fluid ounces

1 pint

4 cupfuls

1 quart


24 sheets

1 quire

20 squires

1 ream

480 sheets

1 ream

2 reams

1 bundle

5 bundles

1 bale

