English: A collection of old quartz crystal units used in crystal oscillators in electronic equipment. Public domain. Note,the largest component pictured is not a crystal,it is an ultrasonic delay line as used in a colour TV.
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|Description={{en|1=A collection of old electronic xtal (x'tal, x-tal, Crystal) components. I scanned this picture myself. Public domain. Note,the largest component pictured is not a crystal,it is an ultrasonic delay line as used in a colour TV.
日本語: 旧型の水晶振動子のコレクション。
Public domainPublic domainfalsefalse
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