Fuses

• These matches were fuses of some slow-burning fiber, like tow, which would keep a spark for a considerable time. 佚名. 神奇的知识之书.
• No special tool is required for setting these fuses. 佚名. 神奇的知识之书.
• The time fuses all contain a percussion element to insure their exploding on impact if not previously exploded. 佚名. 神奇的知识之书.
• The insight directly gained fuses with what is told. 约翰·杜威. 民主与教育.

编辑:迈尔斯