Page:Pyrotechnics the history and art of firework making (1922).djvu/280

 LIST OF THE PRINCIPAL INGREDIENTS USED IN PYROTECHNY AT THE PRESENT TIME.

Force and Sparks Compositions.

Saltpetre Sulphur Charcoal Mealed Gunpowder Iron Borings Steel Filings Zinc Filings Aluminium and Alloys Magnesium and Alloys Lampblack Orpiment (Sulphide of Arsenic) Black Antimony (Sulphide of Antimony)

Chlorate Colour Compositions.

Chlorate of Potash or Perchlorate of Potash.

( Nitrate of Strontia Red   { Carbonate "    "      ( Sulphate  "    "

( Nitrate of Baryta Green { Chlorate  "   "      ( Carbonate "   "

{ Carbonate of Copper Blue { Sulphide  "    " { Arsenite "    " { Calomel  "    "

Yellow—Oxalate of Soda Carbonate  "

For extra brightness Magnesium added.

Secondary tints obtained by mixtures of the above.

Non-Chlorate Colour Compositions.

Saltpetre Sulphur Charcoal Black Antimony White Arsenic Orpiment Aluminium Magnesium Sulphate of Copper Borax

Burnables.

Shellac Pitch Sterine Paraffin Sugar of Milk Linseed Oil

Agglutinants.

Shellac and Spirit Starch Paste Gum Water Linseed Oil Dextrine

Sound Producing.

Gunpowder Guncotton Picrate of Potash Chlorate of Potash Aluminium