Not quite sure why this requires such a huge speaker, or any speaker at all…

Sound Film Now Repeats Dialed Telephone Numbers

THE principal convenience of the dial telephone was that it enabled you to pick your own wrong numbers, but even this is done away with now by a sound film which repeats the number which you have just dialed and enables you to correct the mistakes which you may have made.

The new invention does not necessitate the use of the subscriber’s voice. The subscriber merely dials the number and that number is called to central as the sound film automatically repeats the number through a loud speaker. The new method is expected to be put in use before the end of the year.

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Light Me Up by Phone Some Time!

MERRIAM HOPKINS, Paramount motion picture star, has had installed at the studio a telephone which flashes a light instead of ringing the well-known bell.

This arrangement becomes necessary if a star or other picture employee expects phone calls while working in the sound-proof talkie studio.

Phone Booth Needs No Door
A DE LUXE telephone booth, utilizing a sound absorbent material instead of glass or wood panels, is the latest development of the Burgess Battery Company, of Chicago, Ill. Open around the base, and because of the remarkable absorption qualities of the lining, no door is required. This feature of the design facilitates natural ventilation and easy cleaning, yet greater privacy is achieved than in the ordinary closed booth.

Raising a Switchboard One Floor without Stopping the Telephone Service

The novel expedient of raising a main switchboard from the first to the second floor of the telephone exchange at West Palm Beach, Florida, was accomplished recently without at all interfering with the telephone service. The telephone company had added a floor to the building and then decided to get the switchboard up on it in such a way that the change would not embarrass the subscribers.

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HOW TO TAP A PHONE

By Tony Karp

THERE are many ways to tap a phone; most of them against the law. Our little gadget, however, is quite legal and can be used to great advantage at home or in the office.

Basically, the unit consists of a pickup coil, an amplifier and a speaker. The pickup coil is placed under, or near, any transformer-type telephone without being in physical contact with it. As the electrical currents pass through the phone, part of the energy is induced into the pickup coil.

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Here is the new push-button office telephone…

the CALL director

for the person who makes a lot of calls, or takes a lot of calls This is the most advanced and flexible telephone ever offered to business! More than a new product, the Call Director is a new concept in telephone design and service.

It provides fast, easy handling of outside and interoffice calls plus special features to fit your communications needs. By pushing a button you can—

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Bill-Saving Lock for Dial Phones

LONG distance and other expensive calls made over your telephone without your consent can be prevented by a dial lock now being marketed. The lock consists of a metal cover which fits snugly over the dial, and is equipped with a lock which holds it firmly in place, as illustrated in the accompanying photo. Key may be carried on ring.

Pushbuttons replace dials on telephone

Tests in regular service last winter at Carnegie and Greensburg, Pa., suburbs of Pittsburgh, have shown it’s easier and more than twice as fast to press buttons for a phone call than it is to twirl a dial. As each “touch-tone” button is pushed, it sounds a pleasing musical tone.

Bell is introducing the phone area by area, will nave it in general use within the next 10 years.

Linemen Train on Grove of Junior Phone Poles
This is how you learn to climb poles in the Air Force. The grove of stub poles makes an open-air classroom for future linemen at Warren Air Base in Wyoming. The poles last about a month—by then the students’ spikes gouge them so badly they must be replaced.

Mike and Speaker on Phone Make Talk More Convenient

THE latest gadget for attachment to your telephone is an amplifier and loudspeaker which permits you to speak and listen without holding the transmitter up to your face.

As shown in the photo at the left, the transmitter-receiver piece is hung on a special device which feeds into an amplifier that boosts both the incoming and out-coming voice. The former issues from a loudspeaker, while the latter is picked up by a super-sensitive microphone.

Dialing is accomplished in the usual manner. The device is the invention of Hans Schmidt, a Berlin Engineer, who labored for five years on the development of his creation.

If they had already perfected explosion-proof telephones in 1935, why can’t I use my cell phone at the gas station? Has this miraculous technology been lost?

SAFETY PHONE GUARDS AGAINST EXPLOSIONS
A new type of explosion-proof telephone, exhibited in Chicago, is a recent addition to the roster of curious safety appliances developed especially for use in industries where dust, gunpowder, or inflammable gases present the constant hazard of a blast. Not only does the construction of the instrument guard against the possibility of an electrical spark igniting any combustible material in the surrounding air, but even the mechanical working parts have been designed particularly with a view to reducing friction so that a spark cannot be produced.

SUPER-ROBOT SPEEDS PHONED TELEGRAMS

When a New Yorker calls one of the city’s principal telegraph companies on the phone to send a wire, he now sets in motion a super-robot so swift that a stopwatch often cannot time it.

Within the short space of one second, on the average, he hears the answering voice of one of 110 girls, who sit at desks as shown in photo above. This is made possible by the “automatic call distributor, ” called one of the most important inventions in recent years.

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