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Two-horn system, USA 1921 |
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four-horn acoustic radar, Czech, 1920-an |
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four-horn acoustic locator, England, 1938 |
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four horn acoustic radar, England 1930-an |
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akoustic locator, Japan, 1930-an |
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Acoustic locator, German, 1930-an |
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v12gether.
Open Minda:http://baca-blogspot.blogspot.com Paparan Terbaik Open Minda Menerusi Mozilla Firefox,Opera, Google Chrome Dan Safari.
![]() |
Two-horn system, USA 1921 |
![]() | ||||||||||||||||||||||||||||||||||||
four-horn acoustic radar, Czech, 1920-an |
![]() |
four-horn acoustic locator, England, 1938 |
![]() |
four horn acoustic radar, England 1930-an |
![]() |
akoustic locator, Japan, 1930-an |
![]() |
Acoustic locator, German, 1930-an |
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