Note H — AMUSING EXPERIMENTS IN ELECTRICITY.
Reading edition
A glass is hermetically sealed by holding the end of it in the flame of a candle, till it begin to melt, and then twisting it together with a pair of pincers.
Reading edition
A glass is hermetically sealed by holding the end of it in the flame of a candle, till it begin to melt, and then twisting it together with a pair of pincers.