Appendix
Amusing Recreations
WHICH MAY BE PERFORMED WITH EASE, AND AT A SMALL EXPENSE. - A Person having an even Number of Coumers in one Hand, and an odd Number in the…
Example I
No. in right hand. 18 3 No. in left hand. 7 2 - 54. 54 14 - - 14 68 sum of the products.
Example I: Numbers
To find the Difference between any two Numbers, the greater of which is unknown.
Example I: Henry
He privately deducts 22, his own age, from 99, and the difference, which is 77, he tells Henry to add to his age, and to take away the…
Example I: Multiply
Double the order is Add Multiply by...
Example I: Take
Take a solid body, the specific gravity of which is less than that of water, deal, or fir-wood, for instance, and put it into each of the…
Example I: Water
To hold a Glass full of Water with the Mouth downwards, so that the Water shall not run out.
Example I: Power
The following Experiment shews the Power of Attraction. If we take two pieces of lead, as two musket or pistol balls, and with a knife…
Example I: Experiments
Experiments to shew the Power of Repulsion.
Example I: Experiment
The following Experiment shews the Power of Steam.
Example I: Boil
Get a vessel of hot water, and put a phial into it, with the mouth downwards; the expanded air will bubble out. Let the water cool, or pour…
Example I: Symmer
A curious Experiment made by Mr. Symmer, on the Electricity of Silk Stockings.
Example I: Voltaic
Cheap and Easy Method of constructing a Voltaic Pile. Mr. Mitchell, in his useful little work on natural philosophy, proposes the following…
Example I: Suspend
Put a piece of iron in one scale of a balance, and an equal weight in the other scale; bring a magnet under the scale which contains the…
Example I: Artificial
Artificial Coruscations. or There is a method of producing artificial coruscations sparkling fiery meteors, which will be visible not only…
Diagrams of Experiments
DG H . considerable quantities of which are brought to Bristol, and enter into the composition of china ware. By means of two pieces of…
Diagrams of Experiments: Hydraulic
A curious Hydraulic Experiment, called the Magical Bottle. Take a small bottle, (see Plate) AB, Fig. 9, the neck of which must be very…
Diagrams of Experiments: Sympathetic
A Sympathetic Gold Ink of the Second Class. - Put as much gold into a small quantity of aqua-regia as will dissolve it, and then dilute it…
Diagrams of Experiments: Winter
An Experiment with Sympathetic Ink, called Winter changed to Spring.
Append X
where they accumulate, and at length perish when entirely deprived of moisture. Previously to this, they appear in great distress, writhe…
Appeni IX
ween through the same instrument, exhibits every where a polish exceedingly beautiful, without the least flaw, blemish, or inequality, and…
The Barometer
Rules for judging of and predicting the State of the Weather by the Barometer.
The Barometer: Impression
To take the Impression of the Wings of a Butterfly in all their Colours.
The Barometer: Experiments
Instead of black, any other colour may be used. Verdigris makes a pleasant green; and by adding yellow ochre, or Prussian blue, you may…
The Barometer: Fifteen
Thirty Soldiers having deserted, so to place them in a Ring, that you may save any Fifteen you please, and it shall seem the Effect of…
The Barometer: Josephus
It is reported that Josephus, the author of the Jewish History, escaped the danger of death by means of this problem; for being governor of…
The Barometer: Number
To find the least Number of Weights, that will weigh from One Pound to Forty.
The Barometer: Glasses
To break a Stick which rests upon two Wine Glasses, without injuring the Glasses.
The Barometer: Archimedes
Vitruvius, in his Architecture, reports, that Hiero, king of Sicily, having employed an artist to make a crown of pure gold, which was…
The Barometer: Take
Take two bottles, which are as nearly equal as possible, both in neck and belly, and let one be filled with oil, and the other with water…
The Barometer: Body
How to prevent a heavy Body from falling, by adding another heavier Body to it on that side towards which it inclines. On the edge of a…
The Barometer: Recreation
An ingenious Recreation, called the Two Communicative Busts. Take two heads of plaster of Paris, and place them on pedestals on the…
The Barometer: Experiment
A curious Experiment, of nearly the same kind as the last, called Optical Augmentation.
The Barometer: Square
This, in arithmetic, is a square figure made up of numbers in arithn.etical proportion, so disposed in parallel and equal ranks, that the…
Temperance and Intemperance
LIQUORS, with their EFFECTS in their usual Order. 70- Water. 60- Milk and Water 50 Small Beer 40--- -- Cider and Perry 30- Wine ....... 20…
Temperance and Intemperance: Burning-glasses
Bowthorpe oak, 382 Bread-fruit tree, 372 Bread, old, curious account of, 807 Bridge, great trestle, 837 Bridge, great suspension, 843…
Temperance and Intemperance: Cave
Carrier, or courier pigeon, 244 Carthage, ancient grandeur of. 542 Case, John, celebrated quack doctor, 113 Catching a hare, curious custom…
Temperance and Intemperance: England
F Fact, the most extraordinary on record. 744 Cinchona, or Peruvian bark, curious effects of, Fairy rings, 667 390 Cleopatra's barge, 822…
Temperance and Intemperance: John
Hair, ancient and modern opinions respecting the, 29 Halo, or corona, and similar appearances, 680 Hand-fasting, Harmattan, 511 Heat…
Temperance and Intemperance: Human
Mahometan paradise, 811 Maiden, 599 beria, Man-turtle, the, 827 170 Horse. remarkable instances of sagacity in a, Magnetic experiments, 876…
Temperance and Intemperance: Obelisk
Obelisk, the Egyptian, in New York Central Park, 844 Obelisk, remarkable, near Forres, in Scotland, 573 Okey Hole, 458 Orang-Outang, 178…
Temperance and Intemperance: Stone-eater
Stone, the meteoric, 401 Stone, the Labrador, 402 Stone, the changeable, 404 Stone-eater, remarkable account of, 94 Stonehenge, 592 Storks…