MEASUREMENTS AND TABLES 
MARINER’S MEASURE 
6 feet = 1 fathom 
120 fathoms = 1 cable length 
7'/ 2 cable lengths= 1 mile 
5,280 feet = 1 statute mile 
6,080 feet = 1 nautical mile 
3 marine miles =: 1 marine league 
ENGLISH MONEY 
4 farthings (far.) = 1 penny (d.) 
12 
pence 
= 1 shilling (s.) 
20 
shillings 
= 1 pound (£) 
21 
shillings 
= 1 Guinea (G.) 
• 
TROY WEIGHT 
24 
grains (gr.) 
= 1 pennyweight (pwt. 
20 
pennyweight 
= 1 ounce (oz.) 
12 
ounces 
— 1 pound (lb.) 
APOTHECARIES’ WEIGHT 
20 
grains (gr.) 
=: 1 scruple O) 
3 
scruples 
= 1 dram (3) 
8 
drams 
— 1 ounce {%) 
12 
ounces 
— 1 pound (lb.) 
