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- Never-yielding Cement
- The Deforming Mirrors
- Aigrettes
- A More Powerful Fulminating Powder
- A Liquid That Shines In The Dark
- Balloon Wheels They Are Made To Turn Horizontally: They Must Be
- A Lamp That Will Burn Twelve Months Without Replenishing
- To Make Artificial Coruscations
- Another Way
- Artificial Illuminations
- The Magnifying Reflector
- The Hour Of The Day Or Night Told By A Suspended Shilling
- Another Invisible Green Ink
- Another
- To Spin Sealing-wax Into Threads By Electricity
- Easy And Curious Methods Of Foretelling Rainy Or Fine Weather
- A Powder Which Catches Fire When Exposed To The Air

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- Stars With Points
- Winter Changed To Spring
- To Take Impressions Of Coins Medals &c
- To Tell A Person Any Number He May Privately Fix On
- The Boundless Prospect
- Vegetable Air-bubbles
- The Electric Aurora Borealis
- To Tell The Number Of Points On Three Cards Placed Under Three
- To Tell The Amount Of The Numbers Of Any Two Cards Drawn From A
- To Tell The Amount Of The Numbers Of Any Three Cards That A Person
- The Divining Card
- The Card In The Opera Glass
- To Make Pictures Of Birds With Their Natural Feathers
- To Diversify The Colours Of Flowers
- Caduceous Rockets They Are Such As In Rising Form Two Spiral
- Swans And Ducks In Water
- The Mysterious Writing

Of Sulphur Or Brimstone

Sulphur is by nature the food of fire, and one of the principal
ingredients in gunpowder, and in almost all compositions of
fire-works; therefore, great care ought to be taken of its being good,
and brought to the highest perfection. Now, to know when the sulphur
is good, you are to observe that it be of a high yellow; and if, when
held in one's hand, it crackles and bounces, it is a sign that it is
fresh and good: but as the method of reducing brimstone to a powder is
very troublesome, it is better to buy the flour ready made, which is
done in large quantities, and in great perfection; but when a great
quantity of fire-works is to be made, it is best to use the lump
brimstone ground, in the same manner as gunpowder.

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