2

Book of correspondents and telegraph code / the Consumers' Commercial Company, executive offices: 234-235 Broadway, New York ; M. Weinberg, General Manager

Archives, Room Use Only - HE7669.B66 1892




2

Funkentelegraphie: eine Anleitung zur Herstellung von Apparaten für drahtlose Telegraphie / herausgegeben von der Redaktion des Guten Kameraden ; bearbeitet von Ingenieur Franz Spahn ; mit 103 Abbildungen

Archives, Room Use Only - TK5742.S63 1917




2

Télégraphes et postes: electricité a l'usage du public des receveurs des télégraphes et des postes des télégraphistes, électriciens et constructeurs de lignes électriques.

Archives, Room Use Only - TK5262.T454 1886




2

Handbuch der drahtlosen Telegraphie und Telephonie: ein Lehr- und Nachschlagebuch der drahtlosen Nachrichtenübermittlung / von Eugen Nesper

Archives, Room Use Only - TK5741.N47 1921




2

Télégraphie et téléphonie sans fil expliquées a tout le monde / par Henry de Graffigny, ancien chroniqueur scientifique du Petit Troyen ; avec 24 figures explicatives

Archives, Room Use Only - TK5745.G734 1921




2

Experimental-Untersuchungen über Elektricität / von Michael Faraday ; deutsche Uebersetzung von Dr. S. Kalischer ..

Archives, Room Use Only - QC503.F2315 1889




2

Lärobok i telegrafi / af J. Gunnar Holmström, civilingenjör, föreståndare för K. Telegrafverkets Undervisningsanstalt ; inledning: historik och del I Morses telegrafsystem

Archives, Room Use Only - TK5262.H65 1914




2

Télégraphie aux armées: cours technique du centre d'instruction pour élèves-officiers télégraphistes.

Archives, Room Use Only - UG605.F8 F734 1918




2

Télégraphie électrique: guide pratique pour l'emploi de l'appareil Morse: suivi du service de l'appareil a cadran et des indications relatives a l'entretien des piles (orné de soixante-huit dessins sur bois par l'au

Archives, Room Use Only - TK5263.H68 1878




2

Kleine Telegraphen-Schule für Postanwärter und Postgehülfen: ein Hülfsbuch zum Selbstunterricht behufs Erlangung des Befähigungs-Zeugnisses für den technischen Telegraphendienst bei vereinigten Verkehrsämtern: mit 100 er

Archives, Room Use Only - TK5262.K54 1897




2

Der elektromagnetische Telegraph in den Hauptstadien seiner Entwickelung und in seiner gegenwärtigen Ausbildung und Anwendung: nebst einem Anhange über den Betrieb der elektrischen Uhren: ein Handbuch der theoretischen und praktischen Telegraphi

Archives, Room Use Only - TK5261.S34 1882




2

Cours technique du centre d'instruction pour élèves-officiers radiotélégraphistes.

Archives, Room Use Only - UG611.5.F8 F73 1918




2

Centenary of the Netherlands Telegraph Service: exhibition at The Hague, July 19th through September 28th, 1952: bulletin of the Organizing Committee.

Archives, Room Use Only - HE7045.C46 1952




2

John G. Farnsworth, receiver of the Bankers' and Merchants' Telegraph Co. vs. Western Union Telegraph Co.: Robert G. Ingersoll's opening speech to the jury, delivered May 21st, 1886.

Archives, Room Use Only - HE7645.I54 1886




2

In the Senate of the United States: April 2, 1874, ordered to be printed: Mr. Ramsey submitted the following report: (to accompany bill S. 651).

Archives, Room Use Only - HE7781.R36 1874




2

Handbook for wireless telegraph operators working installations licensed by His Majesty's Postmaster-General: revised in accordance with the Radiotelegraph Convention of London, 1912.

Archives, Room Use Only - TK5743.G74 1915




2

Conservatoire national des arts et métiers: Musée: galeries de télégraphie et de téléphonie

Archives, Room Use Only - TK5107.5.F8 M66 1921




2

Morse, sounder, téléphone: description, fonctionnement et installation des appareils télégraphiques, recherche des dérangements, généralités sur la téléphonie à l'usage des candidats rédacteu

Archives, Room Use Only - TK5261.N38 1928




2

Brief description of wireless telegraphy and the apparatus for wireless electrical communication in use in aviation and infantry: translation no. 94 of Notice sommaire sur la télégraphie sans fil et les appareils de communication électrique

Archives, Room Use Only - UG605.F8 F7313 1917




2

Le télégraphe électrique / par J. Chantrel

Archives, Room Use Only - TK5261.C43 1874




2

Notice sommaire sur la télégraphie sans fil et les appareils de communication électrique sans fil en service dans l'aviation et l'infanterie.

Archives, Room Use Only - UG605.F8 F73 1924




2

Pioneer inventions and pioneer patents: a lecture on patent law delivered to the senior engineering students of Purdue University of the classes of '22, '23, and '24 and previous classes / by Frank Keiper

Archives, Room Use Only - T223.Z1 K45 1924




2

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

Archives, Room Use Only - HD9695.S94 H37 1952




2

The early history of data networks / Gerard J. Holzmann, Björn Pehrson

Archives, Room Use Only - TK5115.H65 2003




2

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




2

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




2

Lois et règlements.

Archives, Room Use Only - KJV6228.A9 F73 1862




2

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

Archives, Room Use Only - HE9723.H48 1932




2

Overhead electrical wires: Electrical Commission, 1888-1892.

Archives, Room Use Only - TK3201.O94 1888




2

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.
The content of this RSS Feed (c) The Royal Society of Chemistry




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