Scientific American

Scientific American Supplement, No. 384, May 12, 1883

II. ARCHITECTURE.--Dwelling Houses.--Hints on building. By WILLIAM HENNAN.--Considerations necessary in order to have­ thoroughly sweet homes.--Experiment illustrating the necessity of damp courses.--How to make dry walls and roofs.--Methods of heating.--Artificial lighting.--...

Chapters

1. Chapter 1

II. ARCHITECTURE.--Dwelling Houses.--Hints on building. By WILLIAM HENNAN.--Considerations necessary in order to have­ thoroughly sweet homes.--Experiment illustrating the neces...

4. Chapter 4

"Some have pretended that, by means of a magnet or other like stone, absent persons might speak with one another. For example, Claude being at Paris, and John at Rome, if each h...

6. Chapter 6

The secondary battery was the only available means of propelling vessels by electrical power, and considering that these batteries might be made to serve the purpose of keel bal...

9. Chapter 9

This relation, though short, is to me of great importance. So long as I could not detect the gemiasmas in New Haven, I was very skeptical as to the presence of malaria in New Ha...

3. Chapter 3

It is impossible to have a sweet home where there is continual dampness. By its presence chemical action and decay are set up in many substances which would remain in a quiescen...

2. Chapter 2

In the channels of which there are three, having an aggregate width of about 650 feet, cribs 46 feet wide up and down stream were sunk. In the deepest water, where the rock was...

5. Chapter 5

The apparatus is represented in Fig. 2. It is based upon the simultaneous working of two pith-ball electrometers, combined with the synchronous running of two clock-work movemen...

8. Chapter 8

1. Acineta tuberosa. 2. Actinophrys sol. 3. Amoeba proteus. 4. " radiosa. 5. " verrucosa. 6. Anabaina subtularia. 7. Ankistrodesmus falcatus. 8. Anurea longispinis. 9. " monosty...

7. Chapter 7

About one pound of sulphur having been introduced into the retort and heated to the boiling-point, the tap of the aspirator is turned on and a current of coal-gas drawn through...

10. Chapter 10

In magnitude, we can have some idea, when we observe the size of the lower three or four hundred miles of the Amazon River, which has a width of about fifty miles. But its depth...