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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
- Another Way

Least Viewed

- 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



Example Suppose The Person Wishes His Card To Be The Twentieth








from the top; and the first time of making the heaps, he says it is in
the third heap; you then look at the table in the perspective, and you
see that the first figure is two; you, therefore, put that heap in the
middle of the pack. The second and third times, you in like manner put
the heap in which he says it is, at bottom; the number each time being
three. Then looking at the pack with your glass, as if to discover
which the card was, you lay the cards down, one by one, and the
twentieth will be the card fixed on.





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Previous: The Divining Perspective Glass



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