Public Domain

Scientific American Volume 22 No 1 January 1 1870 A Weekly Jour

It has frequently been urged as an objection against the twin screw system that the double set of engines, four steam cylinders with duplicates of all the working parts called for on this system, render the whole too complicated and heavy for small vessels, preventing, at the...

Chapters

9. Chapter 9

One patent, by a complicated process, effects a union of metallic zinc and iron; this, granulated and ground fine, then mixed with red lead and oil, makes the paint. It is said...

10. Chapter 10

The Commissioners were led to the construction of this well in presence of the danger at any time of some accident taking place in connection with the Brooklyn Water Works which...

8. Chapter 8

I suggest that the propelling wheels be placed in some other position than that given in the said description. From what little knowledge I possess of aerial navigation, I am pe...

3. Chapter 3

Besides the materials above mentioned, there are some which come under the denomination of cements; but the use of such is somewhat at variance with what a dull world would call...

4. Chapter 4

It is true that, before and since this patent was issued, many patents have been refused for what I have called generic designs. One man having designed a tack head, ornamented...

2. Chapter 2

THE LARGE TREES OF TEXAS.--The large court-house of Navarro county is said to have been covered with shingles made from a single cedar tree. The oaks, pecans, and cedars of that...

11. Chapter 11

Seven years ago, says the Port Said correspondence of the London _News_, there was nothing to distinguish Ismailla or the smiling lake before you from the rest of the desert, an...

12. Chapter 12

GRAIN DRILL.--Jacob F. Gibson, Chestnut Level, Pa.--This invention relates to a seed tube pivoted in its drag bars, in such manner that it may yield to an immovable obstruction.

6. Chapter 6

This lecture did not disappoint the expectations of those familiar with the subject of the discourse, which, considering the difficulty of restating familiar historical facts in...

1. Chapter 1

It has frequently been urged as an objection against the twin screw system that the double set of engines, four steam cylinders with duplicates of all the working parts called f...

13. Chapter 13

FOLDING AND EXTENSION TABLE.--C. Mayer, Sullivan, Ill.--This invention relates to improvements in tables, and consists in arranging the side rails of the top of the frame, which...

7. Chapter 7

Among the papers which we could not very well do without is the SCIENTIFIC AMERICAN, issued from the well-known office of Munn & Co., 37 Park Row, New York. Carefully edited, ni...

14. Chapter 14

91,800.--STEAM GENERATOR FURNACES.--Dated June 22, 1866; reissue 3,766.--A.J. Warren and D.W. Wilson, assignors to themselves and Noah Shaw, West Eau Claire, Wis., and U.M. Ston...

15. Chapter 15

98,135.--MACHINE FOR SPINNING AND CURLING HAIR.--Philip Wisdom, Brooklyn, N. Y., assignor to John Sickles, trustee, and John Sickles, trustee, assignor to John Wisdom and J. H....

5. Chapter 5

Is the heartfelt wish conveyed in this beautiful and unusually large number, to each and all of our friends and readers This holiday number is worthy of note not only on account...

16. Chapter 16

The old favorite, the "STAR SPANGLED BANNER." The Jan. No. just out, Now is the Time to Subscribe Every No. contains 40 long columns, 8 pages, Ledger size 480 long columns of sp...

17. Chapter 17

LECOUNT'S PATENT HOLLOW LATHE DOGS AND CLAMPS.--A set of 8 Dogs from 3/8 to 2-in., inclusive, $8. A set of 12 from 3/8 to 4-in., $17.30. Five sizes Machinists' Clamps, from 2 to...

18. Chapter 18

To those who do not compete for the Cash Prizes the publishers offer the Splendid Steel Engraving, in size 22x36, entitled "MEN OF PROGRESS-AMERICAN INVENTORS." It contains the...