Darlington Oscillator (CB21142E)

Indicated by Popular Electronics, in an edition of the 90's, this circuit seems doubtful because of the inductance used, which must be large.

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Sampling and holding (CB9188E)
Using components from the era, this 90's EDN circuit is used in analog to digital conversion...
Car adapter (CB7252E)
Found in an American publication from the 90s, this circuit allows the supply of 3, 6 and 9 V...
Light Controlled Monostable (CB21018E)
We found this circuit in an old Popular Electronics. The circuit is experimental, driving an LED...