Climbing Tricycles.
Submarine Explorations.--Voyage of the Talisman.--The Thibaudier
sounding apparatus.--With map, diagrams, and engravings.
Jamieson's Cable Grapnel.--With engraving.
A Threaded Set Collar.
III. TECHNOLOGY.--Wretched Boiler Making.
Pneumatic Malting.--With full description of the most improved
methods and apparatus.--Numerous figures.
Reducing and Enlarging Plaster Casts.
Stripping the Film from Gelatine Negatives.
IV. ELECTRICITY.--Non-sparking Key.
New Instruments for Measuring Electric Currents and Electromotive
Force.--By MESSRS. K.E. CROMPTON and GISBERT
KAPP.--Paper read before the Society of Telegraph Engineers.--With
several engravings.
When Does the Electric Shock Become Fatal?
V. ART AND ARCHAEOLOGY.--Robert Cauer's Statute of Lorelei.--With
engraving.
The Pyramids of Meroe.--With engraving.
VI. ASTRONOMY AND METEOROLOGY.--The Red Sky.--Cause of
the same explained by the Department of Meteorology.
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