Experiment 17. Introduce, into an inflammable air pistol, a mixture of hydrogen gas with oxygen gas, or, in the place of the latter, atmospheric air, and apply a lighted taper: a violent detonation will be produced. See [Inflammable air works.]

Experiment 18. Mix some fine musket powder with pulverized glass, and strike the mixture with a hammer on an anvil; the gunpowder will explode. See [Gunpowder.]

Experiment 19. Take a small portion of fulminating platinum, and place it on the end of a spatula, or on the blade of a knife, and hold it over the flame of a candle; a sharp explosion will take place. See [Fulminating platinum.]

Experiment 20. If soap bubbles be formed of a mixture of hydrogen gas and atmospheric air, and touched with a lighted taper, they will detonate in the air.

Experiment 21. If a portion of detonating oil, (Chloride of azote) be heated to 212°, a violent explosion will ensue; or,

Experiment 22. If a portion of the same oil, of the size of a pin-head, be brought in contact with olive oil, the effect will be still more violent. See [Detonating oil.]

Experiment 23. Take ten or fifteen grains of Higgins's fulminating powder, and expose it to heat on a shovel: detonation will follow. See [Higgins's Fulminating powder.]

Experiment 24. If oxalate of mercury, to the amount of three or four grains, be struck with a hammer, a detonation will ensue, in the same manner as with the nitrous etherized oxalate of mercury, or Howard's fulminating mercury. See [Mercury.]

Experiment 25. Take some of the detonating powder, prepared from indigo, and wrap it up in paper, and strike the paper with a hammer: an explosion will ensue. See [Detonating powder from indigo.]

Experiment 26. If some gunpowder be placed on the stand of an electrical discharger, and the electric spark passed through it, combustion, with a detonation, will be produced.