This analog ammeter circuit was found in documentation from the 1980s. The components admit equivalents and the scales are determined by the values of the components in the range selection.
This circuit is from a Radio Electronics from May 1994. In it we have the way to connect three 4017...
In the figure we present an extremely simple circuit of a voltage source regulated by a zener...
We found this circuit in a 1987 documentation. It is a multi-tester with neon lamp and LEDs...