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 TB 55-1900-201-45/1
Table D-6
Mariner's Measure
6 ft
=
1 fathom
120 fathoms
=
1 cable length
6080.2 ft
=
1 nautical mile
1 nautical mile per hr
=
1 knot (speed)
1 degree at equator
=
60 nautical miles
1 degree at equator
=
69.17 statute miles
Table XLIX. Mariner's Shipping Measure
1 register ton
=
100 cu ft
1 US shipping ton or
measurement ton
=
40 cu ft
=
32.14 US bu
= 31.14 imp. bu
1 British shipping ton
=
42 cu ft
=
33.75 US bu
=
32.17 imp. bu
Table L. Mariner's Volume
1728 cu inches
=
1 cu foot
27 cu feet
=
1 cu yard
231 cu inches
=
1 US gallon
5.615 cu feet
=
42 gallons
=
1 barrel
Table LI. Mariner's Avoirdupois Weight
437.5 grains
=
1 ounce
16 ounces or 7000 grains
=
1 pound
2000 pounds
=
1 short ton
2240 pounds
=
1 long ton
35 cu feet of water
=
1 ton
Table LII. Mariner's Circular or Angulator Measure
60 seconds
=
1 minute
60 minutes
=
1 degree
90 degrees
=
1 quadrant or right angle
4 quadrants
=
1 circumference
D-8
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