Plumbago

(noun.) any plumbaginaceous plant of the genus Plumbago.

录入:万斯

• It consists of a series of silk disks saturated with a sizing of plumbago and well dried. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The poles of the electromagnet in the local circuit are hollowed out and filled up with carbon disks or powdered plumbago. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• In 1840 Murray used plumbago to make non-conducting surfaces conductive for electro-plating. Edward W. Byrn. 十九世纪发明进展.

伊妮德编辑