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1 result for "AT&T Long Lines" in Creator.

Found in catalogs (50+)

• Educational Screen 1924-1925 — page 1011

  …So always have at least three fuses with you that are 15 amperes, and put two of ttiem in the box on the line…

• Educational Screen 1946-1947 — page 359

  …Attractively finished, compact, sturdy with clean flowing lines and controls and parts readily accessible . . . the ideal projector for brilliant full color or black-and…

• Educational Screen 1942 — page 219

  May, 1942 Page 205 How to get LongerService from your Ampro Projector ksk your Dealer About AMPRO SERVICE Today—every Ampro I6mm. Sound and…

• Educational Screen 1943 — page 10

  …Users report that Ampro maintenance costs are ex- tremely lo"w. You w^ill be -^ surprised at ho^^ much IsB', can be done at…

• Educational Screen 1942 — page 140

  …Users report that Ampro maintenance costs are extremely low. You will be surprised at how much can be done at reasonable rates to make…

• Educational Screen 1954,1955,1956 — page 600

  …Previous amplifiers permitted lines no longer than 100 feet without oscilla- tion noise. Complete technical data with illus- trations may be obtained by writing…

• Educational Screen 1934 — page 32

  …A pro- fessional instrument available to schools for exceptionally long throws in auditoriums and large halls. PRICE $195 (shown at right) Including Case and…

• Educational Screen 1957-1958 — page 992

  …Complete line of packaged stereophonic tape recorders, ac- cessories, diagonal speakers, tape decks, stereo kits, pre- amplifiers. 354 EdScreen & AV Guide — July, 1958

• Educational Screen 1946-1947 — page 877

  …These new sales representatives re- cently completed a period of intensive training at the Ampro plant to especially acquaint them with the various dealer…

• Educational Screen 1954,1955,1956 — page 881

  …increased amplifier out- put (dowbZe power under normal conditions, jour times stronger at low voltage), sound-insulated aluminum doors, an end to warm-up…

• Educational Screen 1957-1958 — page 480

  …and amplifiers now make it possible to run lines as long as one mile. 3. Radio Frequency (R.F.) transmis- sion of TV images…

• Educational Screen 1957-1958 — page 988

  …up to ten times longer service than the 350 standard flashlight battery at approximately three times the cost. This development is likely to prove…

• Educational Screen 1941 — page 126

  …Demonstrates sharpening of pencil, proper strokes for various lines ; short and long HOLMES ^^^X^^ PROJECTORS When you consider that the mechanism of every Holmes…

• Educational Screen 1930-1931 — page 479

  …the electron flow in the wires into air molecule vibrations (3) amplifies the sound waves. 12. Electrons at one end of a long line…

• Educational Screen 1951,1952,1953 — page 1059

  …Of the 41 ex- hibitors, all but 11 of the commercial lines shown there had been at At- lantic City the week before. The…

• Educational Screen 1946-1947 — page 822

  …The recorded sound may be erased from the tapj at any time, and the tape may then be used again. Add to Recordings Ampro…

• Educational Screen 1944-45 — page 872

  …Tubes wear out from usage, transpor- tation, and failure of amplifier parts. Tubes should be checked periodically on a good tube tester. The tubes…

• Educational Screen 1954,1955,1956 — page 1155

  …For more information circle 107 on coupon attention Schools, Music Departments, Libraries, Etc. Records by Mail. 30 % off the list price ON ALL LONG…

• Educational Screen 1954,1955,1956 — page 912

  …increased amplifier output (doiible power under normal conditions, jour times stronger at low voltage), sound insulated aluminum doors, an end to warm-up delay…

• Educational Screen 1944-45 — page 380

  …Amplifier has input jacks for both microphone and phonograph. Use it for dramatic classes, athletic events, meetings, assemblies . . . add to this the fact that…

• Educational Screen 1954,1955,1956 — page 993

  …increased amplifier output {double power under normal conditions, four times stronger at low voltage) , sound insulated aluminum doors, an end to warm-up delay…

• Educational Screen 1946-1947 — page 188

  …Schroeder with beautiful watches as mementoes of their long and faithful service. At the Ampro dinner: (left to right) A. Shapiro, Axel Monson, C…

• Educational Screen 1944-45 — page 742

  …First, the amplifier must be large enough to take care of the room that it is to be used in. The average 16mm. sound…

• Educational Screen 1951,1952,1953 — page 1289

  …Illuminated, top-mounted controls include a service line volt- meter with voltage selector for oper- ating the rectifier at maximum effi- ciency at prevailing…

• Educational Screen 1948-1949 — page 351

  …receipt of the film at the Dassonville Laboratories. New Audio Equipment The Mark Simpson Manufacturing Co., Inc., 32-28 49th St., Long Island City…

• Educational Screen 1938 — page 195

  …attractively priced line of 16mm sound projectors. Ampro Adopts Fair Trade Agreement Actuated by the desire to stabilize retail prices of npro products, the…

• Educational Screen 1926-1927 — page 692

  …without talks, presented at intervals during the study period as an aid in understanding the text in hand. V. Slides used to amplify film…

• Educational Screen 1954,1955,1956 — page 1157

  …wott amplifier and speaker in a matched carrying cose. For more information circle 123 on coupon Audio Devices Tape Line. In addition to Standard…

• Educational Screen 1957-1958 — page 955

  …All Pageants are lubricated for life to insure long, trouble-free operotion. Another long-life feature is the virtually wearproof pulldown tooth of tungsten…

• Educational Screen 1957-1958 — page 690

  …Equip- ped with f2.8 trip- let lens. All optics coated. Victor Assembly lO — Lightweight projector for small audiences. Amplifier operates at 10 watts…

• Educational Screen 1957-1958 — page 1082

  …8 trip- let lens. All optics coated. Victor Assembly 10 — Lightweight projector for small audiences. Amplifier operates at 10 watts continuous output, 18 watts…

• Educational Screen 1930-1931 — page 538

  …The sound projector fits in a case 23 inches high by 21 inches long by 10 inches wide. The loud speaker and amplifier are…

• Educational Screen 1935 — page 236

  …This Ampro machine em- bodies certain mechanical features that will per- mit the later attachment of sound. When Sound is desired, the Ampro factory…

• Educational Screen 1957-1958 — page 347

  …In addition to its usual line of 4-speed record and transcription players, a complete line of tape re- corders will be shown, all…

• Educational Screen 1957-1958 — page 742

  …Equip- ped with f2.8 trip- let lens. All optics coated. Victor Assembly 10 — Lightweight projector for small audiences. Amplifier operates at 10 watts…

• Educational Screen 1957-1958 — page 850

  …8 trip- let lens. All optics coated. ONLY $92.00 Victor Assembly lO — Lightweight projector for small audiences. Amplifier operates at 10 watts continuous…

• Educational Screen 1957-1958 — page 638

  …Equip- ped with {2.8 trip- let lens. All optics coated. Victor Assembly 10 — Lightweight projector for small audiences. Amplifier operates at 10 watts…

• Educational Screen 1957-1958 — page 1014

  …8 trip- let lens. All optics coated. Victor Assembly 10 — Lightweight projector for small audiences. Amplifier operates at 10 watts continuous output, 18 watts…

• Educational Screen 1951,1952,1953 — page 792

  …obtained by writ- ing the company at 1631 Tenth St., Santa Monica, California. New TapeMaster A new portable power amplifier and ' speaker (model SA…

• Educational Screen 1957-1958 — page 946

  …Equip- ped with t2.8 trip- let lens. All optics coated. Victor Assembly 10 — Lightweight projector for small audiences. Amplifier operates at 10 watts…

• Educational Screen 1954,1955,1956 — page 411

  …For complete information, write View- lex, Inc., 35-01 Queens Blvd., Long Island City I, N. Y. Victor 10-Watt Amplifier The Victor Animatograph…

• Educational Screen 1957-1958 — page 518

  …8 trip- let lens. All optics coated. Victor Assembly 10 — Lightweight projector for small audiences. Amplifier operates at 10 watts continuous output, 18 watts…

• Educational Screen 1924-1925 — page 702

  …by any teachers who found themselves to be particularly attracted to the field. The above program if carried out as out- lined here would…

• Educational Screen 1944-45 — page 330

  …This development makes possible a vastly expanded line of .^mpro products which will be distributed through regular Ampro channels as soon as war conditions…

• Educational Screen 1957-1958 — page 794

  …8 trip- let lens. All optics coated. Victor Assembly lO — Lightweight projector for small audiences. Amplifier operates at 10 watts continuous output, 18 watts…

• Educational Screen 1957-1958 — page 902

  …Equip- ped with f2.8 trip- let lens. All optics coated. Victor Assembly 10 — Lightweight projector for small audiences. Amplifier operates at 10 watts…

• Educational Screen 1948-1949 — page 970

  …Represented in the listing are all principal lines of equipment that have come to the attention of NAVA ; the information is reproduced exactly as…

• Educational Screen 1940 — page 316

  …It isn't necessary to show all the slides at one time. One, two, or an_y number of them can be re-arranged…

• Educational Screen 1957-1958 — page 1127

  …Ceramic Blue Top is bonded to the glass for improved heat dissipation . . . cooler operation assures longer lamp life. Longer Lotting . . . Exclusive Sylvania shock- absorber…

• Educational Screen 1935 — page 207

  …Control Device when it is employed in conjunction with a long focus objective. This will permit the camera to be placed at a greater…