Lab
Library
Journal
Shop
Sign in
to keep
1
165
The Aeroplane Speaks. Fifth Edition
·
H. Barber
5
"And
I,"
said
the
Propeller,
"I
screw
through
the
air
and
produce
the
Thrust.
I
thrust
the
Aeroplane
through
the
air
and
overcome
the
Drift;
and
the
Lift
increases
with
the
Speed,
and
when
it
equals
the
Gravity
or
Weight,
then--there
you
are--Flight!
And
nothing
mysterious
about
it
at
all."
"I
hope
you'll
excuse
me
interrupting,"
said
a
very
beautiful
young
lady,
"my
name
is
Efficiency,
and,
while,
no
doubt,
all
you
have
said
is
quite
true,
and
that,
as
my
young
man
the
Designer
says,
'You
can
make
a
tea-tray
fly
if
you
slap
on
Power
enough,'
I
can
assure
you
that
I'm
not
to
be
won
quite
so
easily."
"Well,"
eagerly
replied
the
Lift
and
the
Thrust,
"let's
be
friends.
Do
tell
us
what
we
can
do
to
help
you
to
overcome
Gravity
and
Drift
with
the
least
possible
Power.
That
obviously
seems
the
game
to
play,
for
more
Power
means
heavier
engines,
and
that
in
a
way
plays
into
the
hands
of
our
enemy,
Gravity,
besides
necessitating
a
larger
Surface
or
Angle
to
lift
the
Weight,
and
that
increases
the
Drift."
"Very
well,"
from
Efficiency,
"I'll
do
my
best,
though
I'm
so
shy,
and
I've
just
had
such
a
bad
time
at
the
Factory,
and
I'm
terribly
afraid
you'll
find
it
awfully
dry."
"Buck
up,
old
dear!"
This
from
several
new-comers,
who
had
just
appeared.
"We'll
help
you,"
and
one
of
them,
so
lean
and
long
that
he
took
up
the
whole
height
of
the
lecture
room,
introduced
himself.
Marker
Marker
Fine marker
White-out
Fine white-out
Circle
Paint
Unmarker
Hand
Scalpel
Dice
Sieve
Purify
Undo
Redo
Start over
