stock in the earth.
TO PETER COLLINSON, ESQ. F. R. S. LONDON.
_Farther Experiments confirming the preceding Observations.--Leyden
Bottle analysed.--Electrical Battery.--Magical Picture.--Electrical
Wheel or Jack.--Electrical Feast._
§ 1. There will be the same explosion and shock if the electrified
phial is held in one hand by the hook, and the coating touched with
the other, as when held by the coating, and touched at the hook.
2. To take the charged phial safely by the hook, and not at the same
time diminish its force, it must first be set down on an electric
3. The phial will be electrified as strongly, if held by the hook,
and the coating applied to the globe or tube; as when held by the
coating, and the hook applied.
4. But the _direction_ of the electrical fire being different in the
charging, will also be different in the explosion. The bottle charged
through the hook, will be discharged through the hook; the bottle
charged through the coating, will be discharged through the coating,
and not otherways; for the fire must come out the same way it went in.
5. To prove this, take two bottles that were equally charged through
the hooks, one in each hand: bring their hooks near each other, and
no spark or shock will follow; because each hook is disposed to
give fire, and neither to receive it. Set one of the bottles down
on glass, take it up by the hook, and apply its coating to the hook
of the other; then there will be an explosion and shock, and both
bottles will be discharged.
6. Vary the experiment, by charging two phials equally, one through
the hook, the other through the coating: hold that by the coating
which was charged through the hook; and that by the hook which was
charged through the coating: apply the hook of the first to the
coating of the other, and there will be no shock or spark. Set that
down on glass which you held by the hook, take it up by the coating,
and bring the two hooks together: a spark and shock will follow, and
both phials be discharged.
In this experiment the bottles are totally discharged, or the
equilibrium within them restored. The _abounding_ of fire in one of
the hooks (or rather in the internal surface of one bottle) being
exactly equal to the _wanting_ of the other: and therefore, as each
bottle has in itself the _abounding_ as well as the _wanting_,
the wanting and abounding must be equal in each
By R.Page 1
Proprietors, W.Page 2
COURTEOUS READER, I HAVE heard that nothing gives an author so great pleasure, as to find his works respectfully quoted by others.Page 3
" What, though you have found no treasure, nor has any rich relation left you a legacy.Page 4
] 'Trusting too much to others' care is the ruin of many; for, "In the affairs of this world, men are saved, not by faith, but by the want of it:" but a man's own care is profitable; for, "If you would have a faithful servant, and one that you like,--serve yourself.Page 6
These are not the necessaries of life; they can scarcely be called the conveniences: and yet only because they look pretty, how many want to have them?--By these, and other extravagancies, the genteel are reduced to poverty, and forced to borrow of those whom they formerly despised, but who, through industry and frugality, have maintained their standing; in which case it appears plainly, that "A ploughman on his legs is higher than a gentleman on his knees," as Poor Richard says.Page 7
"It is hard for an empty bag to stand upright.Page 8
When you have got your bargain, you may, perhaps, think little of payment; but, as Poor Richard says, "Creditors have better memories than debtors; creditors are a superstitious sect, great observers of set days and times.Page 9
Reader, if thou wilt do the same, thy profit will be as great as mine.