V. TECHNOLOGY, ETC.--Compressed Oil Gas for Lighting Cars,
Steamboats, and Buoys. An elaborate description of the apparatus
and appliances of the Pintsch system of illumination. 14
figures. Elevation and plan of works.--Cars.--Locomotive and car
lamps.--Buoys.--Regulations, etc.
VI. ART, ARCHITECTURE, ETC.--Cast Iron in Architecture.
VII. ELECTRICITY, MAGNETISM, ETC.--On the Mechanical Production
of Electric Currents. 12 figures.
Rousse's Secondary Battery.
VIII. MISCELLANEOUS.--Dangers from Lightning in Blasting.
The Tincal Trade of Asia.
Sir W. Palliser. Obituary and summary of his inventions.
The Tides. Influence of the tides upon the history of the earth.
Drilling Glass.
* * * * *
MACHINE TOOLS FOR BOILER-MAKERS.
We give this week an engraving of a radial drilling machine designed
especially for the use of boiler-makers, this machine, together with the
plate bending rolls, forming portion of a plant constructed for Messrs.
Beesley and Sons, boiler makers, of Barrow-in-Furness.
[Illustration: IMPROVED BOILER PLATERADIAL DRILL.
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