Chapter I: ENGINEERING AND MECHANICS.--Artificial Production of Ice by Steam

Power--The American Roller Skate Rink, Paris, 1 engraving.--The Little Basses Light House, 4 figures.--The Souter Point Electric Light.--On the Minute Measurements of Modern Science, by ALFRED MAYER.--Method of Measuring by Means of the Micrometer Screw furnished with the Contact Level; Method of Electric Contact Applied to Measurements with the Micrometer Screw, 2 engravings.--Abstracts from Report of the Boston Society of Civil Engineers on the Metric System.--New Turret Musical and Chiming Clock for the Bombay University, with 1 page of engravings.--Water Gas and its advantages, by GEO. S. DWIGHT.--Brattice Cloths in Mines.--Eight Horse Power Portable Steam Engine, with dimensions, particulars, and 1 page of engravings.--Clyde Ship Building and Marine Engineering in 1876.--Four Masted Ships.--New Bridges at and near New York city.--The Sutro Tunnel.--Independent Car Wheels.--Passenger Travel, New York city.

II.--TECHNOLOGY.--Design for Iron Stairway, and Iron Grilles, with 3 engravings.--The Process of Micro-photography used in the Army Medical Department.--Direct Positives for Enlarging.--A Monster Barometer.--Architectural Science, Carpentry Queries and Replies.--The Carpet Manufactures of Philadelphia. How the Centre Selvage is Formed, 3 figures.--Glass of the Ancients.--On the Preservation of Meat; a resume of the various methods now practiced.--California Pisciculture.--Savelle's System of Distillation, 2 engravings.--New Bromine Still, by W. ARVINE, 1 engraving.--The Phoenix Steam Brewery, New York.--French Cognac Distillation, 1 engraving.--Schwartz's Sugar Refinery, London. General description of the establishment.--Vienna Bread and Coffee.--How Pictorial Crystals are Produced and Exhibited.