Brewster's Carriage Manufactory, New York. One engraving. The Parlor or Cabinet Organs of Mason & Hamlin. The New Wheeler & Wilson Sewing Machine. Howe's Improved Scales. The Chickering Pianos. The Ingersoll Rock Drill. Photo-engraving. The Paper Product of the United States. Electrical Indicator for Exhibiting the Rotation of the Earth. Two engravings. The Elevated Railroad Nuisance. Steam Boilers. Progress of our Western Industries. The Decline of the Whaling Industry. Transmitting Power by Electricity. Native Magnesium Salts. Scientific American Export Edition for June. The Eothen Arctic Expedition. Patent Matters in Congress. The Turkish Bath. Remarkable Locomotive Performances. The United States Building at the Paris Exposition. Recent Ship Designs. Figures which Seem Untruthful. The Hotchkiss Ship's Log. Starting New Industries. The Telephone at Sea. Horizontal Condensing Engine at the Exposition. One engraving. Deep Boring. Whitening Positives. Mr. Thomas A. Edison. One engraving. Patteson's Improved Car Coupling. One engraving. Project for Increasing the Water Power of Pennsylvania. A Japanese Built Ironclad. A Great Public Nuisance.--The Steam Street Railways New York City. What the South Owes New England. New Mechanical Inventions. Iridescent Glass. Fast Paper Making. Effect of Gas on Cotton Goods. Electrotypes of the Brain. Astronomical Notes for July. With Three figures, giving the Positions, Rising and Setting of the Planets. Sun Spots. Removing Spots from Cloths. "American" New Process Milling. New Agricultural Inventions. A Defense of Sludge Acid. Shad Hatching at Havre de Grace, Md. Improved Wrench. Two engravings. A Drygoods Palace Car. Radial Drilling Machine. One engraving. Improved Self-oiling Car Wheel. Three engravings. The Whitehead Torpedo. One engraving. A Californian Wheat Farm. Edison's Telephonic Researches. Eleven figures. New Inventions. New Electric Light. Quick Freight Time. The Adams Gas Process. Three engravings. The Invention of the Microphone. Preparation of Iron Fuels. Millstones. An Hour with Edison. Four engravings. Suspension Bridge Accident. Mill Explosion Science. Learn Something. Unsuitable Steam Vessels. One engraving. Our Naval Tubs. Leaves and their Functions. Lever and Cam Valve. Two engravings. An Ingenious Toy. One engraving. Milk as a Substitute for Blood Transfusion. Dr. Brown-Sequard. Odd Uses of Paraffin. American Institute Exhibition. Solidification of Petroleum. A Simple Fire-escape. Mr. Edison on the Microphone. Driving Piles in Sand. Is our Globe Hollow? The Best Penwiper. The Etiology of Asiatic Cholera.--A New Theory. Diagnosis.