The Light Of The Seven Seas
The Story Of Vaclite
År: 1917
Forlag: Vacuum Oil Company
Sted: New York
Sider: 21
UDK: 665.6
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1
THE LIGHT OF THE
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THE STORY OF VACLITE ITV
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What it is
Its uses
Its advantages
EACH modern invention or discovery has its own peculiar
applications—and limitations.
The slowest automobile will
than the fleetest race horse; but the
the road, it cannot cross lots, hurdle
trails. . a
So, in the field of illumination, electricity and various gaseous
iliuminants, with all their modern advantages are impractical
for use under certain conditions.
travel faster and farther
automobile must stick to
fences or climb mountain
Thousands of vessels that ply the Seven Seas are without
means of generating electricity for lighting purposes.
They must rely on other methods of illumination.
Thousands of vessels have electric light only
when their engines are running. An emergency;
lighting system is therefore necessary.
Other lighting problems aboard ship can
solved only by the. use of portable flame lamps,
either of an open or closed type...
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