Chart recorder (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Chart recorder" in English language version.

refsWebsite

Global rank English rank

1,182^nd place

725^th place

6^th place

archive.org

"XXV. Railways". Passages from the life of a philosopher. Longman, Green, Longman, Roberts and Green. 1864. pp. 328–334.

Samuel F. B. Morse, Improvement in the Mode of Communicating Information by Signals by the Application of Electro-Magnetism, U.S. Patent 1647, June 20, 1840; see page 4 column 2
Bristol, William H. "Pressure Indicator and Recorder, U.S. Patent 389,635 issued Sep 18, 1888". Retrieved 2008-05-25.
Stevens, John Cyprian. "Water Stage Recorder, U.S. Patent 1,163,279 issued Dec 7, 1915". Retrieved 2008-03-20.