ph

Impressions of continental telephone practice / by A. Murphy

Archives, Room Use Only - TK6055.M87 1934




ph

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




ph

Telegraphy and telephony with railroad applications / by Charles Stanley Rhoads ; a description of the fundamentals of telegraphy and telephony and of the organization, outside and inside plant, apparatus, circuits and methods of operation, engineering a

Archives, Room Use Only - TK5262.R46 1924




ph

On the application of the principle of the galvanic multiplier to electro-magnetic apparatus: and also to the development of great magnetic power in soft iron with a small galvanic element / by Prof. Joseph Henry ..

Archives, Room Use Only - QC611.H46 1831




ph

Communications and the manufacturer / by E.S. Byng ; a lecture to the Post Office Telephone and Telegraph Society of London on January 15th, 1934

Archives, Room Use Only - TK5102.5.B96 1934




ph

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




ph

Practical aspects of printing telegraphy / by Donald Murray

Archives, Room Use Only - TK5543.M87 1911




ph

Telephone service / by A.C. Belgrave

Archives, Room Use Only - TK6169.B45 1937




ph

Telegraph repeaters: instruction paper / prepared by the Engineers of the Western Union Telegraph Company

Archives, Room Use Only - TK5571.W47 1918




ph

The life of James Francis Leonard, the first practical sound-reader of the Morse alphabet / by John Wilson Townsend ; a paper read before the Filson Club at its meeting, October 5, 1908

Archives, Room Use Only - TK5243.L4 T69 1909




ph

Rate book: legal reserve class / Mutual Benefit Department of the Order of Railroad Telegraphers

Archives, Room Use Only - HG8853.R38 1936




ph

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




ph

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

Archives, Room Use Only - TK5741.N47 1921




ph

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




ph

The Phillips code: a thoroughly tested method of shorthand arranged for telegraphic purposes, and contemplating the rapid transmission of press reports: also intended to be used as an easily acquired method for general newspaper and court reporting / by W

Archives, Room Use Only - HE7669.P55 1925




ph

[Collection of United States patents concerning the telegraph].

Archives, Room Use Only - TK5269.C65 1859




ph

[Collection of British reports concerning the telegraph].

Archives, Room Use Only - TK5269.C65 1904




ph

District telegraph and time service: instruction paper / prepared by the Engineers of the Western Union Telegraph Company

Archives, Room Use Only - TK5263.W468 1917




ph

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

Archives, Room Use Only - UG605.F8 F734 1918




ph

Instruction in army telegraphy and telephony.

Archives, Room Use Only - UG590.G75 1917




ph

Rules and regulations for the government of employees of the Philadelphia & Reading Railroad Co.: to take effect January 1st, 1876: approved by the President.

Archives, Room Use Only - HE2791.P55 P55 1875




ph

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




ph

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




ph

[The philosophy and practice of Morse telegraphy].

Archives, Room Use Only - TK5264.S66 1893




ph

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




ph

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

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




ph

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




ph

Telegraphic history / by H.R. Kempe

Archives, Room Use Only - TK5115.K46 1912




ph

Der Erfinder des sprechenden Telephons / von S. Berliner

Archives, Room Use Only - TK6018.R4 B47 1909




ph

London international telephone exchange: reproduced from the Post Office Electrical Engineers' Journal of July, 1934 / by S. Birch and C.H. Hartwell

Archives, Room Use Only - TK6211.B57 1934




ph

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




ph

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




ph

Electric telegraph: inventors & discoverers.

Archives, Room Use Only - PN6268.T4 E44 1848




ph

Newly invented portable field telegraph: with an illustration of the principle of its construction and directions for use: also containing the vocabulary of the several characters formed / invented and arranged by A.W. Sleigh

Archives, Room Use Only - UG590.S54 1838




ph

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

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




ph

Report of the Departmental committee on telegraphists' cramp: presented to both houses of Parliament by command of His Majesty.

Archives, Room Use Only - RC429.G74 1911




ph

Bryant's treatise on telegraphy: designed for learners and use in the Buffalo Telegraph College / by C.L. Bryant, general manager.

Archives, Room Use Only - TK5262.B79 1876




ph

Modern telegraph practice / by F.H.S. Grant

Archives, Room Use Only - HE8094.G73 1938




ph

Room noise and reverberation / by W. West ; a lecture to the Post Office Telephone and Telegraph Society of London on December 11th, 1933

Archives, Room Use Only - TK6169.W47 1934




ph

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




ph

Report on telegraphs and apparatus / by David Brooks

Archives, Room Use Only - TK5261.B87 1875




ph

Western Union Telegraph Company, 1851-1901: a retrospect.

Archives, Room Use Only - HE7797.W53 W46 1901




ph

[Collection of acts of Parliament concerning the telegraph].

Archives, Room Use Only - KD2885.A3 C65 1862




ph

Telephone directories / by R.B. Green and D.J. Halliday

Archives, Room Use Only - TK6169.G74 1939




ph

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




ph

Ex ordinis philosophorum mandato renuntiantur philosophiae doctores: et artium liberalium magistri rectore magnifico Ioanne Adolpho Overbeck ... decano Gustavo Henrico Wiedemann ... procancellario Ludovico Lange ... inde a die primo mensis Novembris a. MD

Archives, Room Use Only - QC761.W54 1876




ph

[Collection of booklets concerning railroad telegraphers].

Archives, Room Use Only - HD8039.T25 C65 1911




ph

Le télégraphe électrique / par J. Chantrel

Archives, Room Use Only - TK5261.C43 1874




ph

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




ph

[Collection of International Correspondence Schools booklets on telegraphy and telephony].

Archives, Room Use Only - TK5262.C65 1925