Features
Iron Batteries
Temperance on Railways
An Unprofitable River
Salt in Illinois
Spiking Guns
The Art of Dyeing--No. 1
Philadelphia Gas Works
Steam Fire Engine
Scientific Memoranda
Gas in Nantucket
Lead Mine in the Heart of a Town
Tripoli
Hardening Steel
Pendulums and Balloons
Visibility of the Planet Venus in the Day time
Improved Tuyere
New York Crystal Palace--Experience of an Exhibitor
Globular Journal for Cars
Ox Yokes
Shoal Alarm for Ships
Double-Acting Force Pump
Truss for the Radical Cure of Rupture
Driving Reciprocating Saws
Sash Fastening
Car Ventilator
Presents for the Holidays
Sausage Stuffers
Tip-Top Blacking
Cleaning the Flues of Stoves
Felting Hat Bodies
Mortising Chisel
Self-Acting Fire Damper for Chimneys
Curious Clause in the New Patent Bill
Blasting Rocks
The Beneficial Effects of Patent Laws
Sweeping Streets by Machinery
List of Patent Claims
Suspending the Law of Gravitation
Water in Flour
Roring Artesian Wells
Tractive Power of Locomotive
Important Items
Acorns Kill Bullocks
Salt in California
History of Reaping Machines--No. 13
Varnishes
Ether and Chloroform
Mechanics
Inventors, and Manufacturers
Prizes next Week
Consumption of Flour in London
Winter Colds
Departments
- From the Editor
To Correspondents
- Recommended
Lectures and Good Reading