I. ENGINEERING AND MECHANICS.--The Righi Railroad.--With
3 engravings.
The Chinese Pump.--1 figure.
The Water Clock.--3 figures.
New Self-propelling and Steering Torpedoes.
Dobson and Barbour's Improvements in Heilmann's Combers.--1 figure.
Machine for Polishing Boots and Shoes.
II. TECHNOLOGY.--The Use of Gas in the Workshop.--By T.
FLETCHER.--Placing of lights.--Best burners.--Light lost by
shades.--Use of the blowpipe.--Gas furnaces.--Gas engines.
The Gas Meter.--3 figures.
The Municipal School for Instruction in Watchmaking at
Geneva.--1 engraving.
III. ELECTRICITY, ETC.--Personal Safety with the Electric
Currents.
A Visit to Canada and the United States; or, Electricity in
America in 1884.--By W.H. PREECE.
IV. ARCHITECTURE.--The House of a Thousand Terrors, Rotterdam.--With
engraving.
V. GEOLOGY.--On the Origin and Structure of Coal,--With full page
of illustrations.
VI. POLITICAL ECONOMY.--Labor and Wages in America.--By D.
PIDGEON.--Who and what are the operatives.--Native labor.--Alien
employes.--Housing of labor.--Sobriety.--Pauperism.--Artisans'
homes.--Interest of employer in the condition of his
employes.--Wages in Europe and America.--Expenditures of
workingmen.--Free trade and protection.
VII. MISCELLANEOUS.--Ice Boat Races on the Mueggelsee, near
Berlin.--With engraving.