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Fréquence élevée Photos ❘ Science Photo Library
13614495 - No needle mesotherapy
13614562 - No needle mesotherapy
13614497 - No needle mesotherapy
13614496 - No needle mesotherapy
11519183 - Selective radiation meter analysis
11519184 - Selective radiation meter use
13377669 - Satellite communications, illustration
12334376 - Tesla coil experiment, 1899
13377668 - Radio waves, illustration
12959971 - Plasma ball
13377594 - Diffraction of long and short waves, illustration
13377596 - Diffraction of microwaves and radio waves, illustration
12376104 - Tesla coil experiment, circa 1899
13377670 - Radio signals bouncing off the ionosphere, illustration
12334370 - Tesla coil experiment, 1899
13377595 - Diffraction of microwaves and radio waves, illustration
13377593 - Diffraction of long and short waves, illustration
12376110 - Tesla spark discharge experiment, circa 1899
12376100 - Tesla coil experiment, circa 1899
12376109 - Tesla coils, circa 1899
12376101 - Tesla coil experiment, circa 1899
12376099 - Tesla coil experiment, circa 1899
12376093 - Tesla coil experiment, circa 1899
12376103 - Tesla coil experiment, circa 1899
12376098 - Tesla coil experiment, circa 1899
12376091 - Tesla wireless coil experiment
12376096 - Tesla coil experiment, circa 1899
12376102 - Tesla coil experiment, circa 1899
12334369 - Tesla coil experiment, circa 1899
12334373 - Tesla's wireless lighting tubes, 1890s
12376092 - Tesla coil experiment, circa 1899
12376095 - Tesla coil experiment, circa 1899
11682944 - High frequency vacuum treatment
12376097 - Tesla coil experiment, circa 1899
12376094 - Tesla coil experiment, circa 1899
11651520 - Ultrasound beam plotting tests
11651547 - Thin-film thermocouple
11651546 - Thin-film thermocouples
11651545 - Thin-film thermocouples
11651548 - Thin-film thermocouple
11651544 - Thin-film thermocouples
11651542 - Primary standard radiation force balance
11651535 - Ultrasound hydrophone calibration
11651536 - Ultrasound hydrophone calibration
11651551 - Ultrasound (HIFU) transducers
11651519 - Ultrasound beam plotting tests
11651554 - Ultrasound thermal test object casing
11651549 - Thin-film thermocouple
11651538 - Ultrasound hydrophone calibration
11651539 - Ultrasound hydrophone calibration
11651533 - Ultrasound power testing equipment
11651526 - Ultrasound beam plotting tests
11651517 - Ultrasound beam plotting tests
11651555 - Ultrasound thermal test object casing
11651537 - Ultrasound hydrophone calibration
11651524 - Ultrasound beam plotting tests
11651514 - Ultrasound beam plotting equipment
11651543 - Primary standard radiation force balance
11651531 - Ultrasound power tests
11651528 - Ultrasound power tests
11651532 - Ultrasound power testing equipment
11651530 - Ultrasound power tests
11651523 - Ultrasound beam plotting equipment
11651521 - Ultrasound beam plotting tests
11651518 - Ultrasound beam plotting tests
11651516 - Ultrasound beam plotting equipment
11651541 - Primary standard radiation force balance
11651540 - Ultrasound hydrophone calibration
11904635 - Acoustics test,1954
11825909 - Ultrasonic test of gas cylinders
11651556 - Ultrasound thermal test object
11848740 - Pregnancy ultrasound scan
11651534 - Ultrasound hydrophone calibration
11651529 - Ultrasound power tests
11740479 - Willmore seismometer
11651525 - Ultrasound beam plotting tests
14166279 - Tesla coil at Nikola Tesla exhibition
11651552 - Ultrasound (HIFU) transducers
11651522 - Ultrasound beam plotting equipment
11651515 - Ultrasound beam plotting equipment
11522938 - Nanotube technology
14166278 - Tesla coil at Nikola Tesla exhibition
11651553 - Ultrasound thermal test object casing
11651550 - Thin-film thermocouple
11522939 - Nanotube technology
11856644 - Ultrasound treatment of ligament injury
11848738 - Heart ultrasound scan
11869088 - Heart ultrasound scan
11856645 - Ultrasound treatment of ligament injury
11848739 - Heart ultrasound scan
11740478 - Willmore seismometer
11891536 - Radiation detector
11586014 - Speaker
11891535 - Gamma radiation detector
11770226 - HAARP antenna array,artwork
11848741 - Pregnancy ultrasound
12018067 - Tesla Coil and Neon Tube
11894773 - X-ray lithography research
11770225 - HAARP antenna array,artwork
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