Vulcanite

例句:

• This screw engages with a second and similar screw which is so arranged as to move the strip of vulcanite up or down. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• A vulcanite or other strip is easily affected by differences of temperature, expanding and contracting by reason of the minutest changes. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The substance on whose expansion the working of the instrument depends is a strip of some material extremely sensitive to heat, such as vulcanite. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• This instrument can also be used to indicate minute changes of moisture in the air by substituting a strip of gelatine in place of the vulcanite. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• This exhibit cost him $30,000, and he called it the Goodyear Vulcanite Court. Edward W. Byrn. 十九世纪发明进展.
• This causes the vulcanite strip to press more or less upon the carbon button, and thus produces the desired change in the resistance of the circuit. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

整理:拉尔夫