Features Improved Gang Plow Improved Safety Hatch Natural Ice Houses Railroads in Texas List of Patent Claims New Coal-Burning Locomotive Great Feat of Swimming The Sun--No. 5 Boucherie's Process for Preverving Wood from Decay Electro-Chemical Baths Australian Gold Slate Roofing Improved Sawing Machine Revolving Boiler Improved Hand Corn Planter Page's Saw Mill Patent Suit A Picture of Hampden Heating Cold Water by Friction A Patent Extension Bad Steam Boilers The Qualifications of Engineers One Thousand Dollars Reward On Reading Recent American Patents Epidemics--Yellow Fever.--Its Cause Fire-Engine Playing Recent Foreign Inventions Important Items To Correspondents Cocoanut Oil Prospectus Water Pipe Incrustations Breech Loading Cannon and Shot Early Rising Coal Locomotives in the West Sea Waves and Sea Sickness American Steamboats in China
