--Texas Creek pipe and aqueduct.--4
figures.
Parachute Hydraulic Motor.
Improved Shafting Lathe.--1 figure.
Power Straightening Machine.--1 figure.
Hydraulic Mining in California.--By GEO. O'BRIEN.
III. TECHNOLOGY.--Emerald Green: Its Properties and
Manufacture.--Use in wall paper.--ROBERT GALLOWAY.
Charcoal Kilns.--Extra yield.--2 figures.
IV. ARCHITECTURE--Entrance, Tiddington House, Oxon.--An
engraving.
V. ELECTRICITY, LIGHT, HEAT. ETC.--The Temperature of the
Earth as shown by Deep Mines.
New Arrangement of the Bichromate of Potash Pile.--3
figures.
The Distribution of Electricity by Induction.--1 figure.
Electricity Applied to the study of Seismic Movements.--Apparatus
for the study of horizontal and vertical seismic
movements, etc.--8 figures.
New Accumulators.--3 figures.
Industrial Model of the Reynier Zinc Accumulator.
The History of a Lightning Flash.--By W. SLINGO.
Researches on Magnetism.
VI. NATURAL HISTORY.--The Giraffe.--With engraving.
VII. MEDICINE, AND HYGIENE.--The Treatment of Cholera--By
Dr. H.A. RAWLINS.
Temperature. Moisture, and Pressure, in their Relations
to Health.
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