el

On the general theory of duplex telegraphy / by Louis Schwendler

Archives, Room Use Only - TK5275.S39 1874




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Rules and regulations to be observed by telegraph clerks, and all persons sending railway messages, or engaged in working the telegraphs on the London and North Western Railway.

Archives, Room Use Only - TK5263.L66 1906




el

[Collection of pamphlets on telegraphy].

Archives, Room Use Only - TK5269.C65 1865




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[Collection of articles on telegraphy].

Archives, Room Use Only - TK5269.C65 1869b




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Manual of telegraphy: prepared for use in Dodge's Institute of Telegraphy, Valparaiso, Ind.

Archives, Room Use Only - TK5264.M36 1894




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[Collection of United States government documents on telegraphy].

Archives, Room Use Only - HE7781.C65 1844




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Field message book, U.S. Army: instructions for use.

Archives, Room Use Only - UA943.F45 1917




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Recent wonders in electricity, electric lighting, magnetism, telegraphy, telephony, etc., etc. / including articles by Dr. Siemens, F.R.S. Count du Moncel and Prof. Thomson [sic] ; edited by Henry Greer

Archives, Room Use Only - TK148.G74 1883




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Western Union travelers' cable code and foreign money tables.

Archives, Room Use Only - HE7673.W47 1913




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Communication of Hon. William H. Seward, Secretary of State, upon the subject of an intercontinental telegraph / connecting the eastern and western hemispheres, by way of Behring's strait, in reply to Hon. Z. Chandler, Chairman of the Committee on Co

Archives, Room Use Only - TK5613.U6 C66 1864




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Whiteman's Telegraph School and Railroad Business College, Ghent, Col. Co., N.Y. / Frank Whiteman, Supt

Archives, Room Use Only - TK5255.W45 1894




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The Dominion Telegraph / J.S. MacDonald

Archives, Room Use Only - HE7814.M33 1930




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Technical description of the Alexanderson system for radio telegraph and radio telephone transmission by Elmer E. Bucher

Archives, Room Use Only - TK5811.B83 1920




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Startling facts: practical machine telegraphy, one thousand words per minute, new siliconized-copper wire.

Archives, Room Use Only - TK5269.C73 1880z




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Elementary treatise on natural philosophy / by A. Privat Deschanel ; translated and edited, with extensive modifications, by J.D. Everett

Archives, Room Use Only - QC23.P7513 1883




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Hasler, 1852-1952: hundert Jahre Fernmeldetechnik und Präzisionsmechanik.

Archives, Room Use Only - HD9695.S94 H37 1952




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[Collection of British government papers concerning the telegraph].

Archives, Room Use Only - TK5269.C65 1862




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Transatlantic telephone cable.

Archives, Room Use Only - TK6373.T73 1956




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Visual telegraphy / issued by the General Staff, May, 1919

Archives, Room Use Only - UG575.G7 V57 1919




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Short history of the telegraph: a lecture to the Post Office Telephone and Telegraph Society of London on February 19th 1934 / by H.G. Sellars

Archives, Room Use Only - TK5115.S45 1934




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The ABC universal commercial electric telegraph code: improved by the addition of a code condenser which enables the user to cable two code words and check them in one word, thus saving 50% of cable charges ... specially adapted for the use of financiers,

Archives, Room Use Only - HE7676.C53 1919




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[Collection of British government papers concerning the telegraph].

Archives, Room Use Only - TK5269.C65 1863




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[Collection of pamphlets on telegraphy].

Archives, Room Use Only - TK5269.C65 1840b




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Electricity.

Archives, Room Use Only - QC517.E44 1810




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Report from the Select Committee on Marconi's Wireless Telegraph Company, limited, agreement: together with the proceedings of the committee and appendices.

Archives, Room Use Only - HE8680.G7 G74 1913




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Special report from the Select Committee on the Electric Telegraphs Bill: together with the minutes of evidence taken before them.

Archives, Room Use Only - KD2885.A26 G78 1868




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Rules and regulations for the guidance of the officers and servants employed in the Telegraph Department, and also of such officers and servants in the Traffic Department as are required to possess a knowledge of, or to assist those working the telegraph

Archives, Room Use Only - TK5263.R85 1878




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Pacific railroad acts. Act of 1862.: an act to aid in the construction of a railroad and telegraph line from the Missouri River to the Pacific Ocean, and to secure to the government the use of the same for postal, military, and other purposes, approved Ju

Archives, Room Use Only - HE2763.P33 1868




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The William B. Duck Company: anything electrical, wirless instruments.

Archives, Room Use Only - TK455.W55 1915




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From steam to glass: the curious story of Brazilian telecommunication / John Packer

Archives, Room Use Only - HE7994.P33 1996




el

[Collection of pamphlets on telegraphy].

Archives, Room Use Only - TK5269.C65 1861




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Heliograph: optische Telegraphie: eine leichtverständliche Anleitung zur Selbstherstellung eines Apparates zum Telegraphieren mit Hilfe des Lichtes / von Arthur Gruber ; mit zwei Modellbogen

Archives, Room Use Only - UG582.H4 G78 1920z




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The Western Union Telegraph Company: rules.

Archives, Room Use Only - HE7797.W53 W47 1884




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General railroad and telegraph laws of the State of Pennsylvania: including the acts relating to incline plane railways and street passenger railways, and such acts relative to corporations as affect railroad and telegraph companies, 1816-1883 / comp. and

Archives, Room Use Only - KFP301.A3 1884




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Reports of the examiners of section XXIII: (section IV-A, class VIII, of the catalogue): electro-medical apparatus.

Archives, Room Use Only - R857.E49 I58 1886




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Optisk telegraf: förhistoria och uppkomst samt utveckling i Sverige i relation till postverket / av Paul Gerhard Heurgren

Archives, Room Use Only - HE9723.H48 1932




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On submerging telegraphic cables / by James Atkinson Longridge , M. Inst. C.E., and Charles Henry Brooks

Archives, Room Use Only - TK5671.L66 1858




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[Collection of Atlantic, Lake and Mississippi Telegraph items].

Archives, Room Use Only - TK5123.6.C65 1847




el

[Collection of Atlantic, Lake and Mississippi Telegraph pamphlets].

Archives, Room Use Only - TK5123.6.C66 1847




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"What hath God wrought!": Samuel F. B. Morse: [portfolio of facsimiles].

Archives, Room Use Only - TK5243.M7.W53 1972




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[Collection of Atlantic, Lake and Mississippi Telegraph circulars].

Archives, Room Use Only - TK5123.6.C665 1847




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Handbook of aerial construction / the Central District and Printing Telegraph Company

Archives, Room Use Only - TK5455.H36 1908




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Die Funkentelegraphie / von H. Thurn

Archives, Room Use Only - TK5742.T48 1913




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Overhead electrical wires: Electrical Commission, 1888-1892.

Archives, Room Use Only - TK3201.O94 1888




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The railroad fist, or, Caswell system: a treatise on the expert rapidity of handwriting / Guy Rich Caswell

Archives, Room Use Only - Z43.C37 1923




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Relevant π-hole tetrel bonding interactions in ethyl 2-triazolyl-2-oxoacetate derivatives: Hirshfeld surface analysis and DFT calculations

CrystEngComm, 2020, Advance Article
DOI: 10.1039/D0CE00335B, Paper
Muhammad Naeem Ahmed, Khawaja Ansar Yasin, Shahid Aziz, Saba Urooge Khan, Muhammad Nawaz Tahir, Diego Mauricio Gil, Antonio Frontera
We report the synthesis and X-ray characterization of four triazole derivatives that include an α-ketoester functionality and two phenyl substituents. The compounds form self-assembled dimers in the solid state establishing two symmetrically equivalent O⋯π-hole interactions.
To cite this article before page numbers are assigned, use the DOI form of citation above.
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Nutrient supplements might help in fighting against COVID-19, says study




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Researchers develop molecule for potential COVID-19 drug in India