This monostable circuit, from a 1977 Radio Shack documentation, uses a 7400. The time is given by the capacitor and the power must be supplied with 5 V.
This circuit is from a 1975 publication. The components are from the time, and modern equivalents can be...
This battery-powered emergency light circuit was published in an April 1962 Radio Electronics...
This circuit was found in a 1970s documentation. The integrated circuit used is uncommon today....