Category:Cat's-whisker detector
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GND ID: This category is for an antique radio component also called a crystal detector, consisting of a mineral crystal with its surface touched by a fine wire, or two crystals touching, used as a detector in early crystal radios, or modern reproductions of this device. It is not for modern point-contact semiconductor diodes.
Media in category "Cat's-whisker detector"
The following 41 files are in this category, out of 41 total.
Blaupunkt Rundfunkdetektor - ca. 1938.jpg 1,333 × 2,000; 261 KB
Carborundum crystal detector.png 1,212 × 708; 93 KB
Carborundum detector & bias battery 1928.jpg 327 × 350; 27 KB
Carborundum detector 1911.jpg 235 × 171; 10 KB
Cartridge carborundum detector.jpg 355 × 102; 6 KB
Cat's whisker detector - 1940s 01.jpg 1,280 × 960; 242 KB
Cat's whisker detector - 1940s 02.jpg 1,050 × 850; 216 KB
Cat's whisker detector - 1940s details.jpg 1,280 × 960; 288 KB
Cat's whisker radio detector (2360729857).jpg 3,072 × 2,304; 2.97 MB
Cat's whisker radio set, 1924 (2360727067).jpg 3,072 × 2,304; 3.07 MB
CatWhisker.jpg 426 × 274; 28 KB
Cat’s whisker radio (4360502702).jpg 3,168 × 4,752; 3.15 MB
Cat’s whisker radio (4360503978).jpg 4,752 × 3,168; 3.13 MB
Crystal radio backup on SS Jeremiah O'Brien.agr.jpg 2,448 × 3,264; 2.49 MB
Crystal to crystal detector.jpg 1,089 × 592; 245 KB
Detecteur cristal 1.jpg 1,036 × 1,948; 1,019 KB
Detektor-Kristall IMGP6998 wp.jpg 2,997 × 2,000; 2.13 MB
Detektor-krystalky.jpg 865 × 723; 54 KB
Détecteur cristal de galène.jpg 2,152 × 1,476; 2.37 MB
Détecteur à cristal de galène.jpg 2,232 × 1,448; 2.36 MB
Galena crystals for use in crystal radios.jpg 718 × 797; 193 KB
Kristaldetector NYW.gif 550 × 550; 130 KB
Kristalldetektor D.R.G.M. Polo.jpg 3,741 × 1,557; 582 KB
Kristalldetektor detail.jpg 667 × 661; 525 KB
Kristalldetektor.jpg 4,224 × 2,376; 6.76 MB
Kristalldetektor.png 1,000 × 655; 938 KB
Kristallradio (1).JPG 2,560 × 1,920; 835 KB
Kristallradio (3).jpg 1,306 × 922; 262 KB
Kristallradio (4).jpg 2,670 × 2,016; 870 KB
Kristallradio.JPG 2,560 × 1,920; 902 KB
Krysztalek 0211.jpg 718 × 1,311; 231 KB
Leaf spring crystal detector.png 423 × 344; 16 KB
Perikon crystal detector 1912.jpg 1,232 × 590; 147 KB
Precision cat's whisker detector.jpg 890 × 586; 246 KB
Pyrite cat whisker detector.jpg 548 × 372; 121 KB
Sealed cat whisker detector.jpg 499 × 499; 46 KB
SiC LED historic.jpg 640 × 426; 74 KB
Silicon crystal detector.jpg 677 × 694; 127 KB
Silicon-antimony crystal detector 1919.jpg 1,340 × 952; 278 KB
Two crystal contact detector 1919.png 408 × 775; 90 KB
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