Driver for oscillograph (T459E)

This circuit from an old MIT documentation excites an oscillograph element, an old waveform viewer.

Adjustable Power Supply LM317 (CB18644E)
This conventional circuit with a source adjustable to 1.5 A was obtained in a documentation...
Capacitance Comparator (CB12453E)
With this circuit it is possible to compare the values of two capacitors in the range of 100pF to...
5 V x 3Aregulator (CB16991E)
We found this configuration in a French documentation from the 70s. It appears sometimes in this...