The 12 Volt Doctor's Project Book by Edgar J Beyn offers a variety of electrical building projects with circuits that go beyond basic equipment found on a boat. It is a great guide for the experienced electrical or mechanical technician.

• All projects are related to 12 volt battery systems and direct current
• Projects discussed include: adding a battery bank without an additional main switch, making an ammeter for high current, high and low voltage indicator lights, alarm systems, wind speed indicators, and motion sensors
• Paperback with drawings & diagrams
• Advanced electrical system guide for boats
• ISBN: 1 878797 01 8