Quadruplex

Examples

• I had paid for all the experiments on the quadruplex and exhausted the money, and I was again in straits. Frank Lewis Dyer. Edison, His Life and Inventions.
• 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. Frank Lewis Dyer. Edison, His Life and Inventions.
• 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. Frank Lewis Dyer. Edison, His Life and Inventions.
• 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. Frank Lewis Dyer. Edison, His Life and Inventions.
• At this juncture other schemes were fermenting in his brain; but the quadruplex engrossed him. Frank Lewis Dyer. Edison, His Life and Inventions.
• Here he continued, moreover, his earlier work on the quadruplex, sextuplex, multiplex, and automatic telegraphs, and did his notable pioneer work in wireless telegraphy. Frank Lewis Dyer. Edison, His Life and Inventions.
• They all led up to the quadruplex. Frank Lewis Dyer. Edison, His Life and Inventions.
• Later he decided to carry this system farther, and perfected the quadruplex device. Rupert S. Holland. Historic Inventions.
• Herein lay the germ of the Edison quadruplex. Frank Lewis Dyer. Edison, His Life and Inventions.
• 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. Frank Lewis Dyer. Edison, His Life and Inventions.
• About this time I invented the quadruplex. Frank Lewis Dyer. Edison, His Life and Inventions.
• For his quadruplex system, Mr. Edison utilized this fact in the construction of a rheostat or resistance box. Frank Lewis Dyer. Edison, His Life and Inventions.
• 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. Frank Lewis Dyer. Edison, His Life and Inventions.
• 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. Frank Lewis Dyer. Edison, His Life and Inventions.
• The quadruplex has not as a rule the same working efficiency that four separate wires have. Frank Lewis Dyer. Edison, His Life and Inventions.

Editor: Maris