Roger Donne’s Miscellany
1 Acre (abbreviated to A.) = 4840 square yards
1 Acre = 4 rods
1 Rod (abbreviated to R.) = 1210 square yards
1 Rod = 40 Perches (or Poles)
1 Pole (abbreviated to P.) = 30.25 square yards
In metric terms, the metre is 1.09 yards.
In 1831, the United Kingdom used the currency based on Pounds, shillings and pence, as follows:
1 pound sterling (abbreviated to £) = 20 shillings
1 shilling (abbreviated to s.) = 12 pence
Pence (singular penny) is abbreviated to d. (after the Latin denarius)
The UK now uses a currency based on pounds and new pence, where there are 100 new pence to the pound.