This circuit uses a diode as a radiation sensor. The operational ones are old because the publication is from the 80's, but modern low voltage equivalents can be tested.
This circuit was published in a 1977 Radio Shack catalog. The PNP transistor may be BD135 and NPN...
Texas Instruments Standard Operational Amplifiers Texas Instruments makes available through Mouser...
This circuit produces an intermittent ring tone being triggered directly by the telephone line. However,...