K. Walraven
About the article

Stop that barking!

Stop that barking!
It is often said that there is no better protection against burglars than a good watchdog. Well, that may be, although we have our doubts. A fact is, however, that many of these 'biological alarm systems' often bark and keep on barking for no apparent reason. Normally, no blame attaches to the dog for this: it just has not been trained properly. The unit described in this article may prove useful in providing correct training.
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