Scientific American

Scientific American Supplement, No. 717, September 28, 1889

Electric Motor for Alternating Currents.--A motor on an entirely new principle for the application of the alternating current with results obtained, and the economic outlook of the invention. 11458

Chapters

1. Chapter 1

Electric Motor for Alternating Currents.--A motor on an entirely new principle for the application of the alternating current with results obtained, and the economic outlook of...

2. Chapter 2

The tensile strength of steel used for shafts having increased from 24 to 30 tons, and in some cases 31 tons, considering that this was 2 tons above that specified, and that we...

3. Chapter 3

Having briefly traced the origin and development of the system of model experiment, it may now be of interest to describe the _modus operandi_ of such experiments, and explain t...

4. Chapter 4

The weight of a single grain is not to our senses appreciable, while the weight of a ton is sufficient to crush the life out of any one in a moment. A ton is about 15,000,000 gr...

5. Chapter 5

The inseparable duties of studying the composition of the various animal and vegetable fabrics, as also their nature--when in contact with the various mineral, vegetable, animal...

6. Chapter 6

I am the more doubtful about this point, as in the course of our investigations I have found means to produce ammonia at small cost and in great abundance from the immense store...

7. Chapter 7

We had thus to find a cheap method of eliminating these two gases from the producer gas, and converting them at the same time into their equivalent of hydrogen. The processes hi...

8. Chapter 8

The meaning of this geological distribution of the fuels is entirely fortuitous. Dr. M'Gee tells us that as their formation depended on local conditions (such as plant growth),...

9. Chapter 9

And in refusing to give any other answer than this, or its equivalent in ordinary words, he is entirely justified; that is what is meant by the term wave, and nothing less gener...

10. Chapter 10

It is necessary for all who would understand the applications of ozone for any purpose, whether for bleaching purposes or pure chemical purposes, or for medical or sanitary purp...

11. Chapter 11

Dried wine grapes are prepared in a similar manner to raisins; that is they are dried in the sun, but do not require the same care in handling that are given to raisins. Wooden...