Thought them remarkable but of no practical value at the time, although I knew later they were used as submarinedetectors and for deep-seas sounding.
We used 'em in submarine detectors you know--could hear a sub's screw whirring three miles off.
Were a fire to break out, one of the 276 detectors would soon set twenty-five bells in action, one in each officer's room.
In thermometer or fuse-alarm practice it is usual to place the detectors at intervals of about ten feet or so, so that a room of any size will contain a number.
Detectors that may be used are the AN/PDR27 and AN/VDR2 to monitor patients for contamination.
One is to open the case, place the activated sampler-detectors inside the case, and then reclose the case.
The M256 is the most sensitive of the chemical agent vapor detectors available.
Currently, there are no BW agent detectors that can be used to check patients for BW agent contamination.
The sampler-detectors in the M256 Chemical Agent Detector Kit do not have an aspirator for sampling the interior of the case.
Alternatively, remove the food from the case and place it in a plastic bag with the sampler-detectors to concentrate the vapors.
To be installed on surface vessels to baffle and elude submarines: Sound detectors (spoken of above).
There are many different kinds of detectors but the vacuum tube is much to be preferred.
I have had work started on a number of ultra-sensitive wave detectors which will record any wave-length from zero to five millimeters.
My attempt to locate Saranoff by means of wave detectors was a failure.
Their plane detectorshad probably caught the first hum of Barry’s engines—now multiplied by ten or twelve as the catapult launchings proceeded.
The Nips’ aircraft detectorshave heard us by now,” he drawled.
The Japs evidently believed that neither aircraft detectors nor antiaircraft equipment were as yet set up.
Anything small enough to get by the detectors will be small enough to burn itself out on that hull before it reaches the ship.
But meteor detectors are built to look for solid chunks of metal and rock--not thin, porous bits of cloth.
Her meteor detectors hadn't failed; they were still functioning perfectly.
Yes, general, as soon as we can get radiation detectors sent out to Kankad's, we'll have a couple of fast aircars fitted with them for that job.
We have radar and vision screens and telemetered radiation and other detectors here, tuned to her.
The heat and radiation detectors were going insane.
In addition to being of convenient size and easy to maintain, crystal detectors have another advantage over liquid systems.
With computers, more convenient radiation sources, and continuing improvements in the technology of gamma-ray detectors and nuclear electronics, neutron activation analysis will become more and more a routine tool of the analyst.
The detectors are scintillation crystals that produce pulses of light proportional in intensity to the energy of the gamma ray absorbed in the crystal.
Moreover, we have now many kinds of electric wave detectors based on quite different physical principles.
All the detectors of the coherer type really depend for their actuation upon electromotive force; that is to say, upon the application to the terminals of the detector of a certain electromotive force.
Our detectors discovered you floating in empty space; we stopped and rescued you from death.
Of course it is not surprising that no lines of force were visible, but I thought that your detectors screens would have found them if any such guiding beams had been present.
I can't tell even that very close, as we will probably have to reduce this acceleration before we get out of the Galaxy, in order to give detectors and repellers time to act on stars and other loose impediments.
After a thorough discussion, it was agreed that the Defense Department would set up detectors at fifty check points around the country.
Our detectors showed that the shock waves had been almost damped out when a sudden power failure occurred.
As far as the detectorsof those two ships could reach, space was empty of man-made craft; but the two Lensmen knew that they were not alone.
With her atomics out of action his ship would not register upon the plates of the long-range detectors universally used.
None had screens or detectors or other apparatus; their every transaction could be and was recorded from a distance of many miles by the ultra-instruments of the Patrol.
His detectors showed that there was only one point of activity on the whole planet.
The use of these sound detectors greatly increased the chances of locating airplanes at night by searchlight.
But by use of the sounddetectors not only can the approach of the airplane be detected at a distance beyond the hearing range of the unaided ear, but, what is more important, its direction can be determined within an angle of 3°.
Yes, general; as soon as we can get radiation detectors sent out to Kankad's, we'll have a couple of fast aircars fitted with them for that job.
If two or more boats fitted with sound-detectors were used, they could determine the position of the U-boat perfectly.
It was observed that crawling red sparks in the gravity-field detectors winked out.
But when Keller's painstaking instructions for the building of gravity-field detectors reached Earth, these suspicions seemed less plausible.
We were out at maximum radius when the detectors showed a disturbance in normal space.
We moved quietly, detectors out, scanning the area for a light-day around as we moved forward at less than one Lume through Cth.
We had caught her by surprise, a thousand to one shot, and our torpedoes were on their way before her detectors spotted us.
A full diameter away from that crew of amphibians is too close for comfort--their detectors are keen.
Finally thedetectors encountered an obstacle, a conductive substance which the patterns showed conclusively to be practically pure iron.
No sooner had the precious fluid been stored away than the detectors again broke into an uproar.
Detectors full out, all three courses of defensive screen on the trips, projectors manned, suits on the hooks.
Now that they know what to look for and know that ether-wave detectors are useless, they can find it.
There's a lot of detectors up there, and we'll have to cross a corridor full of communicator beams.
Now his detectors had found it; and, feeling neither fear of Triplanetarian weapons nor reluctance to sacrifice those thousands of Triplanetarian lives, he was about to take it!
And how to keep it from being found out by the German detectors is also your problem, I’m afraid, and a tough one.
He was glad the general had such confidence in them, but he knew how hard it was to keep a radio station from being located almost immediately when there were detectors listening at all times for underground or enemy stations.
But the Germans have no detectors here in Maletta.
As the Muldoon approached the source of the signal, their detectors picked up the ship itself.
If the detectors show anything funny, we turn tail and run.
The detectors are deader then the Fourth Dynasty, and the blasters won't synchronize.
The sound detectorson the advance destroyers won’t catch us, then.
There weren’t any sound detectors there, so we got away pretty easily.
The detector used should be a Lodge wheel-coherer or a Marconi valve-receiver, as these are the only detectors that can be used with a recording instrument.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "detectors" in a variety of sentences. We hope that you will now be able to make sentences using this word.
