Quadruplex

(a.) Fourfold; folded or doubled twice.

整理:玛丽斯

• I had paid for all the experiments on the quadruplex and exhausted the money, and I was again in straits. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• I had a set of quadruplex over in my shop, 10 and 12 Ward Street, Newark, and he arranged to bring him over next evening to see the apparatus. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Arduous work was at once resumed at home on duplex and quadruplex telegraphy, just as though there had been no intermission or discouragement over dots twenty-seven feet long. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• If it were attempted to offer here a detailed explanation of the varied and numerous operations of the quadruplex, this article would assume the proportions of a treatise. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• At this juncture other schemes were fermenting in his brain; but the quadruplex engrossed him. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Here he continued, moreover, his earlier work on the quadruplex, sextuplex, multiplex, and automatic telegraphs, and did his notable pioneer work in wireless telegraphy. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• They all led up to the quadruplex. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Later he decided to carry this system farther, and perfected the quadruplex device. 鲁伯特·萨金特·荷兰. 历史性发明.
• Herein lay the germ of the Edison quadruplex. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The working efficiency of the quadruplex, therefore, with the apparatus in good working condition, depends entirely upon the skill of the operators employed to operate it. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• About this time I invented the quadruplex. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• For his quadruplex system, Mr. Edison utilized this fact in the construction of a rheostat or resistance box. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Under certain conditions of weather, one side of the quadruplex would work very shakily, and I had not succeeded in ascertaining the cause of the trouble. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The general principles of quadruplex telegraphy are based upon the phenomena which we have briefly outlined in connection with the neutral relay and the polar relay. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• The quadruplex has not as a rule the same working efficiency that four separate wires have. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.

整理:玛丽斯