You can view or borrow the full text on Internet Archive.
If you appreciate this style of practical, project-based learning, there are other "Bibles" of circuit design that you should explore. You can view or borrow the full text on Internet Archive
A stable power source is the backbone of any electronic device. The handbook includes circuits for variable voltage power supplies, zener diode regulators, current-limiting protectors, battery chargers (including solar-assisted options), and DC-to-DC converters. 4. Test and Measurement Equipment zener diode regulators
Because this book is out of print, physical copies can be rare and expensive on the secondary market. Fortunately, several digital archives preserve classic electronics literature legally. 1. The Internet Archive (Archive.org) battery chargers (including solar-assisted options)