I. BIOGRAPHY.--George W. Whistler, C.E.--By Professor G.L.
VOSE.--Full biography of the eminent railroad engineer.
II. CHEMISTRY.--A Newly Discovered Substance in Urine.--A substance
possessing greater reducing power than grape sugar found
in diabetic urine.
On Electro Dissolution and its Use as Regards Analysis.--By H.
N. WARREN, research analyst.--Interesting decomposition of cast
iron with production of boron and silicon; experiments with other
metals.
III. ELECTRICITY.--No Electricity from the Condensation of Vapor.--Note
on Herr S. Kalischer's conclusions.
On Nickel Plating.--By THOMAS T.P. BRUCE WARREN.--Notes
on this industry, and suggested improvement for procuring a
bright coat.
The Electro-Magnetic Telephone Transmitter.--New theory of
the telephone's action.
IV. ENGINEERING.--Fuel and Smoke.--By Prof. OLIVER LODGE.--The
second and concluding one of these important lectures.
Gas Engine for Use on Railroads.--The application of six horse
power Koerting gas engine to a dummy locomotive.--1 illustration.
New Gas Holder at Erdberg.--The largest gas holder out of
England.--3 illustrations.
Tar for Firing Retorts.--Simple arrangement adapted for use in
ordinary gas retort benches; results attained.--1 illustration.
The Anti-Friction Conveyer.--An improvement on the screw of
Archimedes; an apparatus of wonderful simplicity and efficacy in
the moving of grain.--2 illustrations.
The Retiro Viaduct.--Combined iron and stone viaduct over the
river Retiro, Brazil.--5 illustrations.
Western North Carolina Location over the Blue Ridge.--Interesting
instance of railroad topography.--1 illustration.
V. METALLURGY.--Chilled Cast Iron.--The various uses of this
product; adaptability of American iron for its application.