To aid the effect, a reflector was employed, and when the rays were directed to the clouds, they had the appearance of a huge comet, the reflector being the nucleus. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
There is furnished also a reflector which is so designed that it serves equally well as a cover for either dish and makes a very choice griddle for baking hot cakes. 佚名.神奇的知识之书.
James Gregory, a Scotchman, designed the first reflector in 1663, and described it in a book, but he was too poor to construct it. 鲁伯特·萨金特·荷兰.历史性发明.
As to the additional reference letters, I is a condenser J the source of light, and K a reflector. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
The heating element is of the open-coil reflector type and is so placed in the frame that cooking can be done both above and below the glowing coils at the same time. 佚名.神奇的知识之书.
I never saw such a powerful reflector. 查尔斯·狄更斯.匹克威克外传.
In 1789 he built his great reflector. Edward W. Byrn.十九世纪发明进展.
The reflectors were in some cases inclined to each other, and he remarked the circular arrangement of the images of a candle round a centre. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
Electric lights with reflectors are arranged on each side of the patient’s head, while the operator looks into the eye with a telescope. Edward W. Byrn.十九世纪发明进展.
On each side of the cabinet are affixed two lamps, as in Fig.?1, with large plated reflectors about 10 or 12 inches in diameter. 威廉K.戴维.智者、化学家和伟大医生的秘密.
In such an arrangement of the reflectors, the figure seen on looking through the central aperture will consist of four parts. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
In front of these three young women are placed a dozen strong kerosene lamps provided with reflectors. 威廉K.戴维.智者、化学家和伟大医生的秘密.