Old photos (I meant really old photos from the 1800’s) are really precious. This book has a large collection of the pictures from the Lincoln days, making it especially impressive. For Children. My daughter teased me I was reading a children book. Honestly, I got a lot from this book. I like the conciseness of the book.

Lincoln was a late boomer. Not very educated until much later in life. But he was helpful, of high integrity, and a born leader. The fact that he was selected as a presidential candidate by accident goes to tell you that luck has a lot with a person’s life and his answer to the call and challenge was what separated him from the others. This country was fortunate to have him as a president at the time of crisis, or this nation may never has been as great as it is.

The tragedies that surrounded Lincoln, including his depression and his being assassinated, made him as tough as he could be. Sometimes, adversities shape a person’s character more than he/she can possibly become on his/her own. And yet, he tried to maintain a sense of style and normalcy like reciting Shakespeare and watching plays.

Lincoln was fortunate to be born in that era where he shone and made a big difference in this great nation. And this nation own a great deals to him.

3-phase electricity generation involving rotor and stator could be very difficult to understand for non-electrical person. But it helps those who has some background. The various kinds of power generators could be interesting; I never knew the different kinds of nuclear reactors (pressured water (PWR) and Boiling Water (BWR)). The combustion power generator using the jet engine technology and its variant – combined-cycle power plants – were news to me. The various kinds of circuit breakers (oild, gas, vacuum, and air) and recloser used in a substation are neat. Some day I may be able to recognize one when I see one.

On the consumption side, the author discussed reactive (like Motor) vs. real power (resistor) and the use of the capacitor to increase the power factor. This was in a way very similar to the low-voltage power distribution on circuit boards.

The author went into great lengths on the US power grid systems and the load balancing vs. rotor angle. Informative but not very interesting. I skipped most of this chapter.

Personal safety chapter explains the equipotential zone and how to work safely with high voltage wires. I admire those who work the high voltage as a simple mistake could be fatal.