Seiko Rotary Slide Rule Manual - Page 30

interpreted

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B. Oil pounds -, US gallons/Imperial gallons [Problem] 16.4 oil pounds -> ? US gallons ? Imperial gallons [Solution] (1) Bring the OIL LBS index of the bezel ruler and 16.4 on the dial ruler in line. (2) Find the value on the dial ruler scale corresponding to the US GAL index of the bezel ruler scale. The reading is 21.8. (3) According to the rule for the division 12-1-(B)), the dial ruler scale value, 21.8, is interpreted as 2.18. (4) Find the value on the dial ruler scale corresponding to the IMP GAL index of the bezel ruler scale. The reading is 18.2. (5) According to the rule for the division (2-1-(B)), the dial ruler scale value, 18.2, is interpreted as 1.82. [Answer] 2.18 US gallons 1.82 Imperial gallons 30

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B.
Oil
pounds
-,
US
gallons/Imperial
gallons
[Problem]
16.4
oil
pounds
—>
?
US
gallons
?
Imperial
gallons
[Solution]
(1)
Bring
the
OIL
LBS
index
of
the
bezel
ruler
and
16.4
on
the
dial
ruler
in
line.
(2)
Find
the
value
on
the
dial
ruler
scale
corresponding
to
the
US
GAL
index
of
the
bezel
ruler
scale.
The
reading
is
21.8.
(3)
According
to
the
rule
for
the
division
12-1-(B)),
the
dial
ruler
scale
value,
21.8,
is
interpreted
as
2.18.
(4)
Find
the
value
on
the
dial
ruler
scale
corresponding
to
the
IMP
GAL
index
of
the
bezel
ruler
scale.
The
reading
is
18.2.
(5)
According
to
the
rule
for
the
division
(2-1-(B)),
the
dial
ruler
scale
value,
18.2,
is
interpreted
as
1.82.
[Answer]
2.18
US
gallons
1.82
Imperial
gallons
30