post office electrical engineers journal (71 resultados)

Hardcover. Condición: Fair. First Edition. 15 + 7pp. Two Complete extracts, All pages complete and clean but pages loose within a hard folder. 9 x 5.5 inch.

paperback. Condición: Good. Estado de la sobrecubierta: No Dust Jacket. Rubbing and wear to cover and edges. Splits and chips to the spine ends.

paperback. Condición: Good. Estado de la sobrecubierta: No Dust Jacket. Rubbing and wear to cover and edges. Splits and chips to the spine ends.

paperback. Condición: Good. Estado de la sobrecubierta: No Dust Jacket. Rubbing and wear to cover and edges. Nicked spine ends.

paperback. Condición: Good. Estado de la sobrecubierta: No Dust Jacket. Rubbing and wear to cover and edges. Splits and chips to the spine ends.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. One pencil notation, Very Good. Includes articles about a compact, two-unit cathode ray oscilloscope, production of fixed carbon resistors, modifications to the automatic power supply changeover equipment at King Edward Building Substation, some aspects of crosstalk between unbalanced circuits, simplified method of utilising the single mean "t" test, air raid damage to post office telecommunications (Part 3), and the restoration of telephone apparatus affected by enemy action. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Very Good. Includes articles about replacement of London toll exchanges, calculation of insertion loss and phase change of 4-terminal reactance networks, standby generating plant, application of carrier systems to submarine cables, air raid damage to post office telecommunications, group inverter equipment, and pneumatic grinding machine for cutting steel and wrought iron pipes containing working cables. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Very Good. Includes articles about trunk delay announcing, application of carrier systems to submarine cables (Part 1), modern materials in telecommunications (non-conductors), calculation of insertion loss and phase change of 4-terminal reactance networks, air raid damage to post office telecommunications (Part 1), and improvised mountings. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Previous owner's name in pencil, Very Good. Includes articles about a mobile automatic telephone exchange, production of quartz resonators for the London-Birmingham coaxial cable system, Rugby radio station, new short-wave transatlantic radio receiver, reduction of crosstalk on trunk circuits by the use of the volume range compressor and expander, post office work in conjunction with the Finchley Road and Swiss Cottage metropolitan railway improvements, non-linear distortion of music channels (Bristol-Plymoth system), Comite Consultatif international Telephonique, universal decimal classification of information, pendant telephone, and reistance noise in a coaxial pair. January 1939 supplement also included.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Previous owner's name in pencil, Very Good. Includes articles about the London Trunk Exchange, power plant practice in automatic telephone exchanges, replacement of the main aerial system at Rugby Radio Station, control of wireless transmitters and other electrical apparatus under the Defence Regulations (1939), storm damage (January, 1940), and a new subscribers' intercommunicating table telephone set. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Minor spine tear, previous owner's name in ink, else Very Good. Includes articles about a suggested theory of operation for the telephone transmitter, electrical services in large buildings, problems associated with impulsing in non-director areas, slewing and lowering existing ducts and cables, international conferences, photographic recording of subscribers' meter readings, simple transmission theory relating to the matching of radio feeder lines, wire broadcasting, automatic exchange developments in South Africa (automatic repeat metering), engineering economic cost comparisons, and an electric wax heater.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Previous owner's name in pencil, Very Good. Includes articles about the Glasgow director system, the new amplifier No. 32, attentuation and impedance of single coaxial cables, modern materials in telecommunications (metallic conductors), statistics in telecommunications engineering, economic design of manholes, and long distance position finding by D.F. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Previous owner's name in pencil, few small smudges, Very Good. Includes articles about the economic design of manholes (estimation of loads), alkaline type C.E.M.F. cells, application of 12-circuit carrier telephony to existing cables, modern materials in telecommunications (magnetic materials), post office and public address, impulse generator, use of statistics in telecommunications engineering, and a note on amplitude, phase, and frequency modulation. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Previous owner's name in pencil, Very Good. Includes articles about the Baldock Frequency Control Station, insulating gaps as a remedy to electrolytic action, simplified Campandor equipment for trunk circuits, modern materials in telecommunications (some organic structures and their properties), storm damage to the main aerial system at Rugby Radio Station, the 3,000-type latching relay, and the mailbag conveyor in the foreign postal sorting office in London. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Minor spine tear, previous owner's name in pencil, small area of dampstain along edges of covers and some pages, else Very Good. Includes articles about the new combined hand microtelephone and bell set, multi-fee call dialling and registration at non-director exchanges, history of the 30-cwt. utility vehicle, echo effects in relation to the European Trunk Switching Plan, Belfast-Stranraer cable carrier system, Belfast-Stranraer 9-circuit ultra-short wave radio telephone system, unit automatic exchange No. 14, London-Birmingham coaxial cable system (Pt. III), noise in telephone exchange manual switchrooms, Australian Commonwealth communications, and pneumatic dispatch tubes.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Very Good. Includes articles about kiosks (illustrations), call offices, traffic and delay formulae, construction standards, a mobile post office, automatic teleprinter switching, carrier telephony (Part 3), 500/20 ringing receivers and oscillators for Guernsey-Jersey circuits, carrier system No. 4, thermionic valve circuits, and damage to lead sheathed cables by caterpillers.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Minor spine tear, previous owner's name in pencil, else Very Good. Includes articles about the mechanical impulse regenerator, London-Birmingham coaxial cable system, London fire brigade alarm system, diakon, "rectified-reaction" stage, centralized "ENG" at Birmingham, ready reckoner, nomenclature and symbols for telecommunications, Sir George Lee, Micro Wave demonstration equipment, impulsing in non-director areas, and the Gerrard Exchange.

Hardcover. Condición: Fair. First Edition. A large quantity of these publications bound within a folder entitled "Post Office Engineering Department, Training School Technical Instructions, Miscellaneous." Used but generally in nice condition, some pencil notes on blanks. Overweight Volume - Weighs 2.2 Kg, additional P&P will apply, please ask bookseller for a quote before ordering.

Hardcover. Condición: Fair. First Edition. A large quantity of these publications bound within a folder entitled "Post Office Engineering Department, Engineering Instructions" Used but generally in nice clean condition, some pencil notes in margins and on blanks. Overweight Volume - Weighs 2 Kg, additional P&P will apply, please ask bookseller for a quote before ordering.

Stiff Wrappers (Paperbound). Condición: Good. First Edition. Supplement included. Severe tearing and chipping along spine, Good. Includes articles about a review of war-time fuels for road vehicles, generation and distribution of a standard 1kc/s synchronising signal, carrier system No. 7, new tools for identifying wires in cable joints, simple introduction to the use of statistics in telecommunications engineering (correlation and regression), modern materials in telecommunications (semi-conductors), equipment for cutting steel and wrought iron pipes containing working cables, impedance matching networks for unloaded cable. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Slight chipping and tearing at head and foot of spine, else Very Good. Includes articles about the death of His Majesty King George V (telephone and telegraph arrangements), the loudspeaking telephone, transforma letter sorting machine, functions of a complex angle, telegraph and telephone plant in United Kingdom, modern cable layout, International Telephone Conference in London (1936), signalling on trunk circuits, an outline of the principles of atomic physics (Part 1), post office circuit laboratory, standards of length, storm damage (1935-36), colourdex visual system of works control, and the negative feed-back amplifier.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Previous owner's name in pencil, Very Good. Includes articles about modern materials in telecommunications (growth of knowledge concerning the internal structure of matter), multiphone working, pole routes in the tropical countries, voice-operated relay for use on long distance private wires, distribution of power in 2,000-type exchanges, carrier frequency synchronisation, resistance compensated band-stop filter, special machines and tests devised to facilitate the mechanical examination of materials, and rubber. List of deaths from World War II.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Spine flattened, previous owner's name in ink, else Very Good. Includes articles about the speaking clock, design of communication equipment, passenger lifts at Telephone House, Birmingham, modernization of Valentia Radio Station, teleprinter private services, the International Telegraph Consultative Committee, Carrier System No. 4, constant impedance networks for line equalization, impact testing, Birmingham trunk and toll exchange, differential condensers and resistors, Post Office Telecommunications Convention, 1937, outline of the principles of atomic physics (IV), new telegraph terminal at Bangor, carrier telephony (IV), and Transmitter Inset No. 13.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Slight chipping and tearing at head and foot of spine, else Very Good. Includes articles about 2,000 type selector circuits, an outline of the principles of atomic physics (Part 2), telegraph and telephone plant in the United Kingdom, hardness testing, teleprinter ancillary, Guernsey-Chaldon ultra short wave radio telephone circuit, the King's House subscriber-attended P.A.B.X., the unit automatic exchange No. 13, the carrier system No. 3, and carrier telephony (Part 2).

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Slight chipping and tearing at head and foot of spine, else Very Good. Includes articles about the death of His Majesty King George V (telephone and telegraph arrangements), the loudspeaking telephone, transforma letter sorting machine, functions of a complex angle, telegraph and telephone plant in United Kingdom, modern cable layout, International Telephone Conference in London (1936), signalling on trunk circuits, an outline of the principles of atomic physics (Part 1), post office circuit laboratory, standards of length, storm damage (1935-36), colourdex visual system of works control, and the negative feed-back amplifier.

Stiff Wrappers (Paperbound). Condición: Very Good. First Edition. Supplement included. Very Good. Includes articles about buried cables, measurement of the loss coefficients of magnetic dust core materials, application of welding to repair work, delayed call formulae when calls are served in random order, new lamp signalling P.M.B.X. switchboard, frequency division without free oscillation, and a carrier-frequency heterodyne oscillator. List of deaths from World War II.

Hard Cover. Condición: Near Fine. No Jacket. First Edition. All 4 Parts, with Index, bound in hb red buckram, gilt titles. About as new, with just slightly tanned free epp, scattered fox on epp, small stamp on ffep. 10.9x8.6 inches. Includes original adverts, and period b/w photographs. This volume includes an article on Communications for the Festival of Britain 1951. Weight 800g before packaging. (Contact directly for quote on set of volumes.) (Physics, Electrical Engineering, Instruments, Post Office, Telecommunications, History) Size: 4to - over 9¾" - 12" tall.

Hard Cover. Condición: Near Fine. No Jacket. First Edition. All 4 Parts, with Index, bound in hb red buckram, gilt titles. About as new, with just slightly tanned free epp, scattered faint fox on fep, small stamp on ffep. 10.9x8.6 inches. Includes original adverts, and period b/w photographs. Weight 1kg before packaging. (Contact directly for quote on set of volumes.) (Physics, Electrical Engineering, Instruments, Post Office, Telecommunications, History) Size: 4to - over 9¾" - 12" tall.

Hard Cover. Condición: Near Fine. No Jacket. First Edition. All 4 Parts, with Index, bound in hb red buckram, gilt titles. About as new, with just slightly tanned free epp, small stamp on ffep. 10.9x8.6 inches. Includes original adverts, and period b/w photographs. This volume includes the first articles on a British Television System, in 3 successive issues. Weight 800g before packaging. (Contact directly for quote on set of volumes.) (Physics, Electrical Engineering, Instruments, Post Office, Telecommunications, History) Size: 4to - over 9¾" - 12" tall.

Hard Cover. Condición: Near Fine. No Jacket. First Edition. All 4 Parts, with Index, bound in hb red buckram, gilt titles. About as new. 10.9x8.6 inches. Small stamp on ffep, and slight foxing of the epp. Includes original adverts, and period b/w photographs. This volume includes an article on ERNIE, the Premium Bonds machine, and it also contains, in addition to its own Index, the INDEX to Volumes 39-50, 1946-1958. Weight 1.1kg before packaging. (Contact directly for quote on set of volumes.) (Physics, Electrical Engineering, Instruments, Post Office, Telecommunications, History) Size: 4to - over 9¾" - 12" tall.