Scientific American

Scientific American Supplement No. 822, October 3, 1891

III. CIVIL ENGINEERING.--Demolition of Rocks under Water without Explosives.--Lobnitz System.--By EDWARD S. CRAWLEY.--A method of removing rocks by combined dredging and ramming as applied on the Suez Canal.--3 illustrations. 13128

Chapters

9. Chapter 9

The three different appearances presented by the field are best shown in the above diagram. With the milled head set at the point which gives the appearance of the middle disk a...

7. Chapter 7

In Parma, a ring 2,000 years old is shown which once belonged to Michael Angelo. On the stone are engraved the figures of seven women. You must have the aid of a glass in order...

6. Chapter 6

In infancy, when the child is developing, the one great avenue to the unfolding, or more properly speaking, the development, of the intellect is through the eye. The eye at this...

10. Chapter 10

On the way down the river another party, composed of Messrs. Bryant and Kenaston of Philadelphia, was met, who were on the same business as the Bowdoin party, the discovery of t...

4. Chapter 4

The success of the recent applications of electricity in the production of certain metals and alloys led Dr. Readman to try this source of energy in the manufacture of phosphoru...

2. Chapter 2

Mr. T. Forster Brown, in his address to the Mechanical Science Section of the British Association, said that great progress had been made in mechanical science since the British...

8. Chapter 8

The ethers proper would also be placed in a new light by this new conception of the constitution of the water molecule. The hydrogen in the hydroxyl group, as is known, may be s...

3. Chapter 3

The two figures, 4 and 5 (or 7), correspond with each other in so far as the currents in the three leads, shown in heavy lines, have a phase between those of the two which compo...

1. Chapter 1

III. CIVIL ENGINEERING.--Demolition of Rocks under Water without Explosives.--Lobnitz System.--By EDWARD S. CRAWLEY.--A method of removing rocks by combined dredging and ramming...

5. Chapter 5

By way of introduction, I may recall the fact that my attention was directed several years since to the advisability of devising some means by the aid of which medicinal substan...

11. Chapter 11

The colors of the beryls grade from an almost colorless mineral (goshenite) though faintly green, with blue reflections, yellowish green of a peculiar oily liquidity (davidsonit...