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- Never-yielding Cement
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- The Three Magical Parties
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- A Water Which Gives Silver A Gold Colour
- Bottles Broken By Air
- A Liquid That Shines In The Dark
- Of Gunpowder &c
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- 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 Number Of Changes That May Be Rung On Twelve Bells
- To Tell The Number Of Points On Three Cards Placed Under Three
- To Find The Difference Between Two Numbers The Greatest Of Which Is
- To Represent Cascades Of Fire
- To Make Any Number Divisible By Nine By Adding A Figure To It
- To Fill A Bladder With Hydrogen Gas
- To Make Several Rockets Rise Together Take Six Or Any Number Of
- To Melt Iron In A Moment And Make It Run Into Drops
- To Extract The Silver Out Of A Ring That Is Thick Gilded So That The
- 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 Tell How Many Cards A Person Takes Out Of A Pack And To Specify
- The Power Of Water When Reduced To Vapour By Heat



A More Powerful Fulminating Powder








The most wonderful instance of chemical detonation is formed by the
combination of volatile alkali with silver. Gunpowder, or fulminating
gold, are not to be compared with this invention, and the great danger
attending its manufacture prevents us from giving a methodical account
of its preparation to our readers, particularly as it can be
purchased, properly prepared, of the chemists.

The slightest agitation or friction is sufficient to cause its
explosion. When it is once obtained, it can no longer be touched with
safety. The falling of a few atoms of it, from a small height,
produces an explosion; a drop of water falling on it has the same
effect. No attempt, therefore, can be made to enclose it in a bottle,
but it must be let alone in the capsule, wherein, by evaporation, it
obtains this terrible property. To make this experiment with safety,
no greater quantity than a grain of silver should be used; the last
process of drying should be made in a metallic vessel, and the face of
the operator defended by a mask with strong glass eyes.





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