Scientific American Supplement Index

 

SCIENTIFIC AMERICAN

A WEEKLY JOURNAL OF PRACTICAL INFORMATION, ART, SCIENCE, MECHANICS, CHEMISTRY, AND MANUFACTURES.

NEW YORK, DECEMBER 28, 1867.

 

Improvement in Hulling and Cleansing Hominy.

Nitro-Glycerin.

 

HISERT'S ADJUSTABLE CULTIVATOR TOOTH.

 

Remedy for Cold Feet in City Cars.

Getting Your Money Back.

A GIGANTIC BRIDGE.--A suspension bridge is to be erected by M. Oudry, engineer, over the Straits of Messina, Sicily, from Point Pezzo, on the Calabrian Coast. It is to consist of four spans of 3,281 feet each, elevated about 150 feet above high-water level, so that the largest ships may pass under. The proposed Roebling bridge over the East River, between New York and Brooklyn, is to have a single span of 1,600 feet.


The through mails to the West now go in iron-bound boxes instead of leathern bags. Each box, tightly packed, contains about eight hundred letters.


The first steam vessel used in Great Britain was called the Comet, and built by Henry Bell in 1812. It was thirty tuns burden.

OFFICIAL REPORT OF PATENTS AND CLAIMS

THE LAST NUMBER OF VOLUME XVII.

COMMENCEMENT OF A NEW VOLUME.

A CHANGE AT THE PATENT OFFICE.

OBITUARY.

 

How to Make Intelligent Workmen--Go and Do Likewise.

The Iron-Clads at Sea.

 

THE SCIENTIFIC AMERICAN AS A MEDIUM OF BUSINESS.

HUNT'S IMPROVED STEAM PACKING PISTON.

 

Improvement in Hand Drills.

 

COMMISSIONER OF AGRICULTURE.--The Senate on Friday, the 29th ult., confirmed the nomination of the Hon. Horace Capron as Commissioner of Agriculture to fill the position made vacant by the death of Isaac Newton, the former head of the Department.


It is estimated that 10,000,000 feet of sawed lumber is frozen up in the docks at Bangor, Maine, three fourths of which is sold and waiting shipment.

Improved Method of Securing Cutters on Boring Bars.

Tides and Their Causes.

The Great Hoosac Tunnel.

Horse-hair Snakes--Wonderful Transformation.

Man Proposes, but God Disposes.

Extraordinary Effects of an Earthquake

 

The survey of another trans-continental railway route, which shall follow mainly the 35th parallel of latitude, is nearly completed. Its projectors claim this as the most feasible one across the continent, and even if the northern and southern roads are constructed, this would still be the favorite popular thoroughfare, and the easiest and cheapest built.


The Chilian gun now being built at Pittsburgh, is 22¼ feet in length, being two feet longer than the famous Rodman gun at Fort Hamilton, this harbor, but of exactly the same bore, twenty inches. Its greatest diameter is 5 feet 4 inches, its least diameter, 2 feet 9 inches. The gun is designed for garrison or naval service.


From lack of economy, in reduction of ores, it is estimated that the aggregate loss on the production of bullion in this country for the present year will reach the sum of $25,000,000.

Recent American and foreign Patents.

Answers to Correspondents.

Business and Personal.

 

MANUFACTURING, MINING, AND RAILROAD ITEMS.

PATENT OFFICE DECISIONS ON APPEAL.