The difference between them and microphones is at once perceptible.
Hence the laws of periodic alternate currents following the sine function of the time fail when we come to consider microphonesand telephones.
If an Invader's flying ship descended at the villa, everything that happened would be heard and seen by microphones and concealed television cameras.
I'll have microphones all about so that every word that's said will be relayed to your recorders?
Within a few hours the light below went out and our microphones failed to detect any sound from the rocks beneath us.
I sent for microphones and with their aid speedily detected the sound of machinery in other workings beneath.
And that has been tried too, but they can hear our borings with microphones and cut us off, just as we cut them off when they try to tunnel out and place new generators.
Microphones which have been placed under water off the coasts of France, Great Britain, and Ireland have succeeded in detecting the presence of submarines at a distance of fifty-five miles.
Crag used the ear microphones for privacy and acknowledged the call with a distinct feeling of unease.
Even with good microphones and amplifiers the engineer in the field may often experience difficulties with the lines connecting the outside point to the studio.
But when Calhoun switched on the outside microphones a faint, sweet melange of high-pitched chirpings came from tiny creatures hidden under the vegetation of the mountainsides.
It reported that microphones detected no motion whatever inside.
The British used sixmicrophones of a special type, connected electrically with a photographic-recording apparatus.
These microphones transmit the sound along wires to the chart room, where telephones convey the message to the officer on duty.
Vibrations from a bell ringing at a distance fall on the iron side, travel through, and strike on two microphones hanging in the tank.
The direction of sounds coming to the microphones hanging in these tanks can be estimated by switching alternately to the port and starboard tanks.
They seemed to be convinced the microphones were his.
The microphones were wired to a small radio which we located in the basement of this building.
It is logical then that the microphones have not been here long.
In some microphones a rattling noise is frequently occasioned, which borne along with the sound of the human voice causes an audible disturbance in the telephone.
After repeated trials made by the German imperial postal department with the microphonesconstructed by Messrs.
The same may be said of the journals of microphones with vertical sound plates, as represented in Fig.
All the drawbacks just enumerated and found in Ader's microphones are avoided in the apparatus made by Messrs.
In microphones in which the sound plates are arranged vertically (as shown in Fig.
Mix and Genest, these apparatus have been introduced in the place of the telephones and Bell-Blake microphoneshitherto used in the telephone service.
A number of these microphones would be placed in scattered positions, usually in a trench, and then connected with the central recording mechanism.
The sound-receiving boxes or microphones were placed out in No Man's Land and hidden under trash or earth.
Each microphone on outpost duty was represented on this tape by a parallel line; and, as six microphones were usually used, the tape was striped with six parallel lines.
Their helmet microphones picked up and amplified a curious droning buzz.
Newlin adjusted the throat microphones and headsets in their plastic helmets to make for easier conversation.
I told you about some of the other stuff, the microphones we found, and so on.
From the faint registrations in the microphoneshe judged it to be a vessel of light draft---probably a small cruiser or a destroyer.
If, perchance, Jack had made the surface and succeeded in arresting the attention of the passing vessel, then the microphones would reveal the approach of the returning ship.
An observation with the microphones disclosed the fact that the destroyer was moving out into the North Sea.
They were microphones to detect the first sound of the musical humming of the black flyer.
Krumbine started to wedge one of his phones under his chin, nodded sharply at Potshelter and then toward a cluster of microphones at the end of the table.
Krumbine smashed his fist down on the desk so that the four phones and two-score microphones rattled.
We switched at once to broadcasting music exclusively as an alternative to verbal programs, but the microphones continued to pickup vocal interference.
That was the first time one of our ultra-sensitive microphones began to pick up and broadcast speeches from unknown sources.
Did you have any microphones in there to record the conversation?
Feeling safe from hidden microphones because of the uproar, he leaned across the table and whispered in the girl's ear, "That's what I want to hire you for.
We have a lot of microphones hidden in a lot of alleys.
Everything the microphones picked up was routed to the CPA Brain, a monster electronic calculator.
Twenty-four hours a day, millions of microphones hidden in taverns, alleys, restaurants, subways and every other place imaginable waited for someone to say the wrong thing.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "microphones" in a variety of sentences. We hope that you will now be able to make sentences using this word.
