*Project Gutenberg*. Public domain.

Mr. M’Culla charges good copper at fourteenpence per pound: but I know not whether he means avoirdupois or troy weight.

Avoirdupois is sixteen ounces to a pound,
6960 grains.

A pound troy weight,
5760 grains.

Mr. M’Culla’s
copper is fourteenpence per pound avoirdupois.

Two of Mr. M’Culla’s penny
notes, one with another, weigh 524 grains.

By which computation, two shillings of
his notes, which he

sells for one pound weight,
will weigh 6288 grains.

But one pound avoirdupois weighs, as above,
6960 grains.

This difference makes 10 per
cent.

to Mr. M’Culla’s
profit, in point of weight.

The old Patrick and David
halfpenny weighs 149 grains.

Mr. M’Culla’s
halfpenny weighs 131 grains.

------

The
difference is 18

Which is equal to 10-1/2 per cent.

The English halfpenny of King Charles II. weighs
167 grains.

M’Culla’s halfpenny weighs
131 grains.

------

The difference
36

Which difference, allowed a fifth part, is 20 per cent.

## ANOTHER COMPUTATION.

Mr. M’Culla allows his pound of copper (coinage included) to be worth twentypence; for which he demands two shillings.

His coinage he computes at sixpence per
pound weight; therefore,

he laying out only twentypence,
and gaining fourpence,

he makes per cent. profit,
20

The sixpence per pound weight, allowed
for coinage,

makes per cent.
30

The want of weight in his halfpenny, compared
as above,

is per cent.
10

By all which (viz. coinage, profit, and
want of weight)

—the public loses
per cent. 60

If Mr. M’Culla’s coins will not pass, and he refuses to receive them back, the owner cannot sell them at above twelvepence per pound weight; whereby, with the defect of weight of 10 per cent., he will lose 60 per cent.

The scheme of the society, raised as high as it can possibly be, will be only thus:

For interest of their money, per
cent. 8

For coinage, instead of 10, suppose at most per
cent. 20

For *l.300* laid out for tools, a mint, and
house-rent,

charge 3 per cent. upon the coinage of *l.10,000*,
3

——

Charges in all upon interest, coinage, &c. per cent.,
31