This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience.

This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience.

This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience.

When the power goes out, you need to be prepared. A solar powered generator is a great way to have electricity during an emergency, but buying one can be expensive. Fortunately, you can build your own solar powered generator for a fraction of the cost, often less than $300. This handy, step-by-step guide will show you how.

This book gives the basics of radio and how it is used. If you are interested in learning more about radio and radio communications this manual would be a good starting point for learning about it.

Nikola Tesla was a genius who revolutionized how the world looks at electricity. During college his professors explained that it was impossible to design an engine without commutators or brushes. Tesla was unconvinced that such was necessary or even particularly desirable. It was then that Tesla began his work on the rotating field motor that ultimately gave birth to the modern age. In May of 1888, Tesla delivered his lecture "A New System of Alternating Current Motors and Transformers" be...

What additional challenge is there to HF communications besides:Overcoming often adverse propagation conditions;Establishing solid contacts in the cacophony of pileups when conditions are good;Acquiring the necessary operating skills?Finding space to install a large HF antenna, that's what!This e-book, with its many illustrations, will supply some of the most viable HF antenna solutions for restricted spaces, and exp...

Unit conversions refer to the sometimes annoying, occasionally tricky, but ultimately necessary process of attaching proper words with proper numbers to get right solutions in science and engineering tasks. For students taking courses in science, getting these right translates to points and grades. This short "how to" manual leads readers through the process of doing unit conversions correctly.

What stands between you, the amateur radio operator, and all the other amateur radio operators in the world?Antennas. Yours, theirs…and propagation conditions between.In other words, you can have the most advanced transceiver, coupled with the most powerful amplifier on the market, if you know too little about how antenna systems work and about radio wave propagation, you risk spending your time and money for naught.This e-book is the first of a ser...

Paphos Publishers offers a wide catalog of rare classic titles, published for a new generation.High Frequency Oscillators for Electro-Therapeutic and Other Purposes is a short work by Tesla.

Paphos Publishers offers a wide catalog of rare classic titles, published for a new generation.The True Wireless is a short piece by Tesla, including illustrations.

With rising costs of energy, Master Miser will show you four ways in which you can save money: Power Meter; dial thermometer; LED lighting and a single solar panel.Tried by a qualified electrician/engineer with over 50 years experiences. This will help your budget.Master Mind had narrowed these projects into a personal way to show readers that this is possible for any handy person to do. Savings can be as high as one-third of normal electrical costs. These experiements and at...