Features
Road Across the Isthmus of Tehuantepec
A Balloon Frozen
Moulding Pipes Without Cores
New York Valuation
To Preserve Meat for Voyages
Cure of Cancer
To Preserve Cabbages
Sub Bituminous Coal for Locomotives
Rule for Finding the Best Proportion of Power to Tonnage in Steamboats
Placing Obstructions on Railways
A Striking Thought
Strange Mortality in Black River, La
New City of Hadley Falls
Lectures on California
Fire and an Afflicting Accident
Clairvoyants
Steamer Princeton
The Planetary System As it is Now Understood
Smithsonian Institute
Extraordinary Discovery in California
Madder
Decay of Timber--Prevention of Decay
Science Begetting Science
Alligator's Nest
Important Discovery That May Lead to Improvements of Great Value
Annihilation of Time and Space
Wonderful Rock in Lake Superior
The Iron Manufacture
Improvement in Sugar Manufacture
Force Pump
Remington Bridge
Biscuit Cutting Machinery
Portable Soup Bread
New Optical Instrument
Locke's Electro Chronograph
Forceps for Gun Shots
New Marine Beds
Paine's Electric Light
Improved Atmospheric Lifting Pump
Lecture on Patent Laws
Science Universal
New Ship Ventilator
An Effort to Increase the Usefulness of the Mechanics' Institute
Interesting Patent Cases
Extraordinary Sailing
Reduction of Telegraph Fare
Planing Machine Patent Cases
List of Patent Claims
Notice
Forwarding Back Numbers
“Up,” and “Down.”
Metalic Ore Veins
History of Propellers and Steam Navigation
The Division of Matter
Departments
- From the Editor
To Correspondents
To Inventors and Mechanics
