Quadruplex System

13 books
The quadruplexMaver, William jr.
⏱ 2h 8m

The quadruplex

Maver, William jr.

1885128 pp.
The quadruplexMaver, William jr
⏱ 2h 8m

The quadruplex

Maver, William jr

1885128 pp.
Telegraphic connectionsCharles Thom
⏱ 59m

Telegraphic connections

Charles Thom

189259 pp.
Duplex and quadruplex telegraphyDonald M. McNicol

Duplex and quadruplex telegraphy

Donald M. McNicol

1923No page data
Telegraphic connectionsCharles Thom
⏱ 1h 59m

Telegraphic connections

Charles Thom

1892119 pp.
Statements of George B. Prescott, Frank L. Pope, Edward E. Quimby and George M. Phelps, Jr., in behalf of Mr. PrescottGeorge B. Prescott
⏱ 16m

Statements of George B. Prescott, Frank L. Pope, Edward E. Quimby and George M. Phelps, Jr., in behalf of Mr. Prescott

George B. Prescott

187616 pp.
Brief of George B. PrescottGeorge B. Prescott
⏱ 34m

Brief of George B. Prescott

George B. Prescott

187634 pp.
Statement and brief of Z.F. Wilber, accompanied by critical and explanatory notes by George B. Prescott, and documentary evidence in support of the sameGeorge B. Prescott
⏱ 55m

Statement and brief of Z.F. Wilber, accompanied by critical and explanatory notes by George B. Prescott, and documentary evidence in support of the same

George B. Prescott

187655 pp.
In the matter of U.S. patent, no. 162,633, issued April 27, 1875, to Thomas A. Edison and George Harrington, assignees of said Edison, and application no. 99, for U.S. letters patent, dated August 19, 1874, assigned by Thomas A. Edison to himself and George B. PrescottUnited States. Patent Office
⏱ 39m

In the matter of U.S. patent, no. 162,633, issued April 27, 1875, to Thomas A. Edison and George Harrington, assignees of said Edison, and application no. 99, for U.S. letters patent, dated August 19, 1874, assigned by Thomas A. Edison to himself and George B. Prescott

United States. Patent Office

187539 pp.
Letters of George B. Prescott to the commissioner of patents, in reference to the inventions conveyed by the assignment of Thomas A. Edison for duplex and quadruplex telegraphyGeorge B. Prescott
⏱ 12m

Letters of George B. Prescott to the commissioner of patents, in reference to the inventions conveyed by the assignment of Thomas A. Edison for duplex and quadruplex telegraphy

George B. Prescott

187512 pp.
In the matter of the appeal of Edison & Harrington from the decision of the Commissioner of Patents of March 20, 1875, to the secretary of the InteriorGeorge B. Prescott
⏱ 42m

In the matter of the appeal of Edison & Harrington from the decision of the Commissioner of Patents of March 20, 1875, to the secretary of the Interior

George B. Prescott

187542 pp.
Atlantic and Pacific Telegraph Company vs. George B. Prescott, et alGeorge B. Prescott
⏱ 1h 28m

Atlantic and Pacific Telegraph Company vs. George B. Prescott, et al

George B. Prescott

187788 pp.
The Atlantic and Pacific Telegraph Company against George B. Prescott and othersE. N. Dickerson
⏱ 1h 33m

The Atlantic and Pacific Telegraph Company against George B. Prescott and others

E. N. Dickerson

187793 pp.