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- Never-yielding Cement
- Aigrettes
- Composition I Saltpetre Two Ounces Flour Of Sulphur One Ounce
- The Three Magical Parties
- Chemical Illuminations
- The Deforming Mirrors
- A Water Which Gives Silver A Gold Colour
- Bottles Broken By Air
- A Liquid That Shines In The Dark
- Of Gunpowder &c
- Invisible Ink
- Another
- A Lamp That Will Burn Twelve Months Without Replenishing
- A More Powerful Fulminating Powder
- Another Way
- Inflammable Phosphorus
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- The Leech A Prognosticator Of The Weather
- To Make Squibs And Serpents
- To Give Silver-plate A Lustre
- To Show The Spots In The Sun's Disk By Its Image In The Camera
- To Load Air Balloons With Stars Serpents &c &c When You Fill
- To Find The Difference Between Two Numbers The Greatest Of Which Is
- To Find The Number Of Changes That May Be Rung On Twelve Bells
- To Tell The Number Of Points On Three Cards Placed Under Three
- To Make Any Number Divisible By Nine By Adding A Figure To It
- To Represent Cascades Of Fire
- To Fill A Bladder With Hydrogen Gas
- To Make Several Rockets Rise Together Take Six Or Any Number Of
- There Must Also Be A Glass Planned To Rise Up And Down In The Groove A B And So Managed By A Cord And Pulley C D E F That It May
- To Extract The Silver Out Of A Ring That Is Thick Gilded So That The
- To Melt Iron In A Moment And Make It Run Into Drops
- To Tell How Many Cards A Person Takes Out Of A Pack And To Specify
- To So Fill A Glass With Water That It Cannot Be Removed Without



To Melt A Piece Of Money In A Walnut-shell Without Injuring The








shell.

Bend any thin coin, and put it into half a walnut-shell; place the
shell on a little sand, to keep it steady. Then fill the shell with a
mixture made of three parts of very dry pounded nitre, one part of
flowers of sulphur, and a little saw-dust well sifted. If you then set
light to the mixture, you will find, when it is melted, that the metal
will also be melted at the bottom of the shell, in form of a button,
which will become hard when the burning matter round it is consumed:
the shell will have sustained very little injury.





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