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Morse telegraph register Western Union Telegraph Company Records
1820-1995

400 cubic feet
by Robert S. Harding and Alison Oswald

Archives Center, National Museum of American History, Smithsonian Institution, Washington, D.C;. archivescenter@si.edu; 202-633-3270; www.americanhistory.si.edu/archives
© 2001, second edition, by the Smithsonian Institution. All rights reserved.


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SERIES 15: ENGINEERING DEPARTMENT RECORDS, 1874-1970

Box Folder Description
514   Subseries 1: Organizational Materials, 1922-1970
  1-3 Chart for Department, 1922-1956 (includes memoranda and correspondence)
  4 Engineering Dept. Manual, 1943
  5 List of main subjects used in engineering dept. 1934
  6 Administrative Audit, January 2, 1970-February 16, 1970
    Subseries 2: Central Office of the Engineer Correspondence, 1888, 1902-1945
515 1-2 Azores Cable Station, 20 January 1927-15 March 1927
516 1-2 Azores Cable Station, 1924-1925
840   Ballinskelligs Cable Station, 1909 March-1921 January
517 1-2 Bay Roberts, Newfoundland, Canada, 1 April 1925-15 November 1925
  3 Bay Roberts, Newfoundland, Canada, 1925 (Architect's Specs)
518 1-2 Halifax, Nova Scotia, Canada, 20 September 1926-18 May 1929
519 1-3 Havana Cable Station, 1929-1935 (New Cable Office)
520 1-2 Havana-Cuba Cable Station, 1930-1940 (Elevators)
521 1 Horta, Azores, 1928 (Equipment installation Underground Work)
  2-3 Horta, Azores Cable Station, 1 August 1928-15 December 1928
523 1-2 Horta Azores, 1933-1945
840   Miami-Barbados Cable (Engineers Final Report), 1920-1922
523 3-4 Miami Beach, Florida, 1 March 1921-31 October 1925 (Cable Landing Office and Cojimar, Cuba)
524 1-2 New York Cable Landing, 1912-January 1916
525 1-2 North Sydney, Nova Scotia, Canada, 1 June 1914-30 September 1922
526 1-2 North Sydney, Nova Scotia, Canada, 1 October 1922-23 July 1942
527 1-2 Rockaway Beach Cable Landing, 1902-1912
  3 Rockaway Beach Cable Landing, 1916-1921
539 17 Artificial line for Duxbury Cable to St. Pierre, 1888
841   Valentia Cable Station (letterpress book, correspondence), 1887 June-1893 April
    Valentia Cable Station (letterpress book, correspondence), 1893 April-1898 September
842   Valentia Cable Station (letterpress book, correspondence), 1915 May-1917 February
    Valentia Cable Station (letterpress book, correspondence), 1917 February-1918
    Subseries 3: Cable Station Correspondence, 1873-1922; 1933; 1940
528   19 December 1873-9 February 1881
529   15 February 1881-23 June 1887
530   15 September 1898-15 May 1909
531   June 1909-May 1915
532 1 1921-1922
  2 Atlantic Communication (Trans Atlantic Cable Service), 1933 November
  3 Correspondence of T.F. Foley, Superintendent of Cables, 1920; 1940
    Subseries 4: Cable Logs, 1910-1966
563   Engineers Paying Out Log-Miami/Barbados Bale, 1920-1922
Engineers Paying Out Log-Sennen Cove/Concepcion Bay Cable, 1910
Engineers Paying Out Log-Conception Bay/Coney Island Cable, 1910
Engineers Paying Out Log-Repair of C.S. Faraday, 1915
Particulars of Cable Failures, 1929-1966
    Subseries 5: Agreements & Contracts, 1919; 1945
533 1 Agreement, 1919
  2-3 Concessions, arrangements, or agreements regarding rights to Western Union & Mexican Telegraph Co., for landing, connecting, operating, installing and operating submarine cables, Vol. 1-2, April 1945
  4 Clauses for articles and agreements, n.d.
534   Western Union Presidential Landing Licenses and Grants of U.S. Government for Submarine Cables, 1945
    Subseries 6: Specifications for Western Union, 1911-1960
535 1 C-23-C, Eastern white cedar poles, 1913
  2 C-79-A, Construction of pole lines, n.d.
  3 402-A, Underground construction, 1913
  4 402-B, Underground Construction, 1922
  5 426-B, Use of leather marker and brass identification, 1915
  6 447-A, Terminal construction, 1914
  7 447-B, Terminal construction, 1925
  8 544-C, Electrical protection of offices and cables, 1927
  9 544-D, electrical protection of offices and cables, 1945
  10 615-C, Locating and installing transpositions in telephone circuits, 1930
  11 632-A, Replacement inspection of pole lines, 1923
  12 673-A, Measurement of ground resistance, 1921
 535A 1 800-A, Pole line construction, 1920
  2 800-B, Pole line construction, 1923
  3-5 800-C, Strength of lines, 1939
  6 817-B, Preservative treatment of hole butts, 1924
  7 840-A, Attachment of outside plant material to masonry and wood surfaces, 1929
  8 850-A, Appendix No. 2 specifications for city distribution construction, 1940
  9 859-B, Installation of patent guy anchors, 1929
  10 1182-C installation of apparatus and wiring telegraph way stations, 1927
  11 1205-B, Installation and use of crossarm distributing boxes, 1930
  12 1343-A, Operation and Maintenance of Pneumatic Tubes, 1929
 536 1 1891-A, Installation and wiring of equipment, 1927
  2 2020-A, Splicing lead sheathed paper insulated cables, 1928
  3 2024-A, Counting of conductors in rubber insulated cables, 1931
  4 2111-A, Joint line construction, 1929
  5 2143-A, Stub reinforcement of poles, 1939
  6 2160-A, Installation of lad sheathed cables in buildings, 1930
  7 2169-A, Installation of compression splicing sleeves, 1936
537 1 C-4-B, No. 16 Gauge Cables, 1913
  2 E-3-C, Motor generator plants, 1912
  3 E-6-B, switchboard volt-mil-ammeter, 1915
  4 E-6-C, installation and operation of switchboard volt-mil-ammeter, 1931
  5 E-8-A, installation and operation of equipment for interchange, 1911
  6 E-13-A, signaling system for calling quadruplex, 1911
  7 E-21-C, installation and operation of bridge duplex, 1912
  8 E-39-C, installation and operation of main switchboards, 1913
  9 E-40-C, installation and operation of loop switchboards, 1913
  10 E-132-B, Moisture proofing, splicing and forming ends of cable, 1912
  11 E-145-C, Installation and operation of duplex apparatus, 1914
  12 E-145-D, Installation and operation of duplex half repeater sets, 1922
  13 E-145-E, Installation and operation of duplex half repeater sets, 1928
  14 GPE 330.1D, 13 CWT balloon buoy, 1960
  15 GPE 330.7B, 2 ton balloon buoys, 1960
  16 GPE 300.10A, 5 ton balloon buoy, 1960
  17 30-B, Allocation of space and building operating costs of main office, new Orleans, LA, 1938
  18 105-A, Installation of facsimile equipment for Rockefeller center, 1939
  19 221-B, Wheatstone relay 1-B, 1914
  20 222-B, Installation and operation of distributing frames, 1915
  21 258-C, Wiring and installation of Barclay printing telegraph, 1913
  22 263-C, Multiplex printing Telegraph System, n.d.
  23 301-A, Installation and operation of selectors, 1914
  24 326-A, Crowfoot battery zinc, 1914
  25 341-A, installation and operation of central office time service equipment, 1914
  26 365-A, installation and operation of back contact single line repeaters, 1916
  27 529-B, front contact shunt locking repeaters and half repeaters, 1927
  28 580-A, manufacture of main line sounder, 15-B, 1917
  29 586-C, installation and operation of universal duplex repeaters, 1925
  30 768-A, teletype keyboard and printer units, 1921
538 1 1142-B, chemical rectifier 1A, 1932
  2 1158-A, Installation and operation of double conductor switchboard, 1922
  3 1324-A, call circuit units, 1924
  4 1446-A, Treated single petticoat side-groove glass insulator, 1935
  5 1715-B, theory and operation and maintenance of undulator 2-A, 1926
  6 1803-A, Installation of Morse operating sets, 1927
  7 1885-B, hand tape moistener, 1930
  8 2505-B, Installation and operation of high speed single, 1929
  9 2529-A, multiple duplex leg repeater, 1929
  10 2577-B, Installation of tickers 4-A or 5-A, 1930
  11 2599-C, Type B Western Union voice frequency carrier system, 1933
  12 3085-B, New York-Buffalo carrier system, 1943
  13 3328-A, Carrier Channel terminal 3A, 1935
  14 3642, Manufacture of locking relay 51-B, 1941
  15 3647-A, 9 conductor jacks 4A, 1936
  16 4004-A, Alternator Bay 2-A, 1937
  17 4115-A, manufacture of jack 500-A, n.d.
  18 4119-A, manufacture of jack 504-B, 1938
  19 4203-A, manufacture of jack 802-A, 1938
  20 4206-A, manufacture of jack 503-B, 1937
  21 4208-A, moulded plug guide ex-2357, 1938
  22 4209-A, manufacture of molded spacer ex-1924, 1938
  23 4210-A, manufacture of jack strip frame ex-2354, 1938
  24 4234-A, manufacture of card holders 38-A, 1938
539 1 4244-A, manufacture of jack strip frame ex-2352, 1938
  2 4247-A, manufacture of jack strip frame ex-4021, 1936
  3 4248-A, manufacture of jack strip frame ex-3564, 1938
  4 4249-A, manufacture of molded plug guide ex-1931, 1938
  5 4252-A, manufacture of filler panel ex-1919, 1938
  6 4309-A, manufacture of jack 505-B, 1938
  7 4737-A, jack collar 2-A, 1939
  8 5249-A, Manufacture of framework 1-A for dial switching to trunks, 1940
  9 5250-A, Assembly and wiring of switch rack 1-A for machine switching to trunks plan 1-B, 1941
  10 5250-A, Assembly and wiring of switch rack 1-A for machine switching to trunks plan 1-B, 1942 (Appendix 1)
  11 5390-A, Theory of machine switching to trunk system plan 1-B, 1941
  12 Installation and operation of composite sets on grounded circuits, 1914
  13 Central battery telegraphs, 1910
  14 Operation of facsimile transmitting and receiving machines, 1938
  15 Phasing lamp unit 1-A, 1931
  16 Automatic message numbering machines, 6A and 7A, 1950
540 1 Specifications for heating, plumbing and water supply ocean cables wharf buildings, Halifax, Nova Scotia, 1927
  2 Architects specifications for Bay Roberts, Newfoundland, n.d.
  3 North Sydney, Nova Scotia specifications, n.d.
  4 AT & T Joint Offices Classes 10-A, 11-A, n.d.
    Subseries 7: Specifications for other companies, 1909-1955
536 8 AT & T, 3929, Aerial cable construction, 1919
  9 AT & T, 3929, Aerial cable construction, 1925
  10 AT & T, 4170, Private branch exchange, 1922
  11 AT & T, 4170, Private branch exchange, 1924
  12 AT & T handbook on telegraph circuits and apparatus, 1909
539 12 At &T joint offices classes, 10-A and 11-A, n.d.
536 13 Canadian National, H-33, Installation of case die, 1951
  14 Chicago Telephone Co., No. 1501, Construction of underground conduit, 1910
  15 Pacific Telephone and telegraph Cp., E-3002, Design of fixtures for telephone service in buildings, 1924
  16 Postal Telegraph, 2074, Model 14 Printer, 1932-1933
  17 Postal Telegraph, 4003, Design of transpositions for voice, 1930
  18 Postal Telegraph, 4004, Pole line construction, 1930
514 7 Postal Telegraph, Building Concrete and Brick Manholes, 1927
  8 Postal Telegraph, Splicing Paper Insulated Lead Cover Cable, 1927
  9 Postal Telegraph, Use of Nail Expansion Anchors, 1927
  10 Postal Telegraph, Splicing Paper Insulated, Lead Covered Steel Armored Submarine Cable No. 16 A.W.G., 1929
  11 Postal Telegraph, Installation of Approved Test Box Equipment, 1929
  12 Postal Telegraph, Lead Covered, Twisted Pair, Insulated Paper Submarine Cable, 1929
  13 Postal Telegraph, Operation and Maintenance of Call Circuit Equipment, 1931
  14 Postal Telegraph, Combustion Fuse Block and Arrester, 1931
  15 Postal Telegraph, Installation, Maintenance and Regulation of Non-Electric Clocks, no date
  16 Postal Telegraph, 355 Repeater Rack Assembled with wood shelves, drawing, 1930
Morkrum-Kleinschmidt Corp. wiring diagram, 1928
536 19 National Telephone, Nico-Press Tool, 1943
  20 National Telephone, Nico-Tap Sleeves, 1946
  21 Reliable Electric, R-100, n.d.
  22 Reliable Electric, R-2A, 1955
  23 Teletype Corporation, S-5190, 1939
  24 Western Electric Company, New terminal marking for torodial repeating coils, 1909.
    Subseries 8: Miscellaneous Materials, 1865-1964
541 1 RCA Branch Office Work orders, 1939
  2-3 Connecticut Telephone and Electric Corp. drawings, 1941
  4 Outline of Administrative and Engineering Apprentice Course, n.d.
  5 Facsimile reports, 1934-1946.
  6 Barber-Colman, Baudot Code Pin Storage transmitter photographs, n.d.
  7 Edison's Quadruplex Drawings, 1874
  8 Pictorial record of Bartlane system of picture transmission, 1920-1923
  9 Barclay printing telegraph system, technical articles, specifications (258-C and blueprints, 1908-1913
542 1 Engineering blueprints, 1913-1943 (standard Western Union Signs, n.d.)
  2 Technical articles re rubber insulators for pole lines
  3 Teleprinters series type 300 (300, 320, and 330)
  4 Sketches of parts for the Cardwell printer, 1919
  5 Maintenance and repair manuals, 1930-1944
  6 Engineering drawings and blueprints of belt conveyors, 194?
  7 Dial telefax, 1943
  8 Morse Recorder, blueprints and photographs, 1955
543 1 Comloget data and bomb alarm, 1960
  2 Brown Drum Cable Relay, n.d.
  3 Vacuum tube specifications, n.d.
  4 Miscellaneous drawings and schematics, 1865-1917
  5 Testing and regulating training course, laboratory experiments, by J. Schmid of the engineering Dept., n.d.
  6 A discussion of the telegraph systems used by Western Union, 1930
  7 Carrier Systems for data Transmission an Anthology, 1956 and Carrier telegraph Systems, 1944
  8 Switching System 55A designed for Air Force by Western Union, n.d.
  9 Western Union Telefax Systems, ca.1940
  10 High speed telefax copies and samples, 1940-1950
544 1 Telefax copies, ca. 1936
  2 Apparatus-Relay Base 41A, 1941
  3 Apparatus-Polar Relay 61B, 1941
  4 Apparatus-- Polar Relay 17B, 1941
  5 Apparatus-Molding 89140, 1941
  6 Apparatus-Contact Block 1A, 1941
  7 Apparatus-Relay Mounting 2A, 1941
  8 Apparatus-Contact Block 2C, 1941
  9 Apparatus-Contact Block 86603, 1941
  10-12 Lab reports of telegraph equipment, 1925-1947
  13 Modern Telegraphy, n.d
  14 Submerged repeaters for long submarine telegraph cables, 1951
545 1 Reperforator switching system, Richmond, VA, 1941
  3 Reperforator switching system, 1952-1959
  4 Now the speaking light, n.d.
  5-6 Error Detection Automatic Correction (EDAC), 1963-1964
  7 Trans-Atlantic Cable, undated
  8 Submarine Cables, 1920
546 1 Microwave radio relay, 1947-1950
  2-3 Multiplex systems including foreign, 1901-1930
  4 Manuals on wire and wiring, 1901; 1906
  5 Frequency Translation in Wide Band Transmission Systems, Bulletin No. 28-A, undated
  6 A Discussion of the Telegraph Systems Used by Western Union Telegraph Company, 1930
  7 Inauguration of Western Union Transcontinental Microwave System, November 17, 1964
O/S Folder 21   Morse Printer drawings (pencil on tracing paper), 1932

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Last Update: 22 Apr 2011

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