Sturgeon invents prototype of Electro Magnet. Edward W. Byrn.十九世纪发明进展.
Laennec discovers Auscultation and invents Stethoscope. Edward W. Byrn.十九世纪发明进展.
Crusell of St. Petersburgh invents Electric Cautery. Edward W. Byrn.十九世纪发明进展.
He is desirous of proclaiming that the interval between them is immeasurable, and invents a formula to give expression to his idea. 柏拉图.理想国.
Professor Henry invents the Spool Electro Magnet. Edward W. Byrn.十九世纪发明进展.
Edison invents Carbon Filament for Incandescent Electric Lamp. Edward W. Byrn.十九世纪发明进展.
As Ginevra speaks, they do not carry with them the sound of unmixed truth: I believe she exaggerates--perhaps invents--but I want to know how far. 夏洛蒂·勃朗特.维莱特.
Melhuish invents the Photographic Roll Films. Edward W. Byrn.十九世纪发明进展.