Or, either of the above salts may be mixed with spirit of wine, as directed for Red Fire.
ORANGE COLORED FLAME.
Burn spirit of wine on chloride of calcium, a substance obtained by evaporating muriate of lime to dryness.
EMERALD GREEN FLAME.
Burn spirit of wine on a little powdered nitrate of copper.
INSTANTANEOUS FLAME.
Heat together potassium and sulphur, and they will instantly burn very vividly.
Heat a little niter on a fire-shovel, sprinkle on it flour of sulphur, and it will instantly burn. If iron filings be thrown upon red-hot niter, they will detonate and burn.
Pound, separately, equal parts of chlorate of potash and lump sugar; mix them, and put upon a plate a small quantity; dip a glass rod into sulphuric acid, touch the powder with it, and it will burst into a brilliant flame.