iled 50,
n its tiv d
10 fix rt,
sists i
c tio er.
. r
flow its tto -in
d secu red e
25 rre flex -in i
c lle t-
en sin lle g
w ith ter-flo sleeve
s rro itin sin g
30 casin tra tio lle r-
p -in rem ed
fro rre l.
NIKOLA TESLA.
In testimony whereof affix signature. lig ry
ele siv e
a ire tly tio to
15 eed lle r-d riv rim ry
m little ffected tre
p tra
fluences, s
in sire ly
20 essel’s eed . ship’s log, the combination a
barrel having waterflow openings near its
bottom, speed indicator having casing
detachably secured one end the barrel,
a shaft for said speed indicator extending 45
centrally through the barrel, propeller for
the shaft end, housing for the propeller,
said housing being smaller than the barrel,
and sleeve surrounding the shaft uniting
said housing and said indicator casing for 50
effecting extraction the propeller parts
when the speed indicator* removed from
the barrel. 40
3.
4.1,814,718. eed
d sin ly
35 tio rre l,
a propeller having housing and adapted
to pass through the barrel, flexible shaft
slip-fitted connect the propeller and speed
indicator, and flexible sleeve connecting
the propeller-housing and indicator-casing. ship’s log, barrel, speed indi
cator having casing secured detachably 55
the upper end the barrel, propeller hav
ing housing and adapted pass through
the barrel, there being registering open
ings near the bottom the barrel and in
said housing for water-flow the propellei*, 60
a flexible shaft connecting said propeller and
speed indicator and making axially slidable
connection with one thereof, and flexible
and axially expansible sleeve connecting the
propeller housing and the indicator casing 65
for extraction the propeller parts when
the speed indicator removed from the
barrel.
W :
1.
.
s 44, rin e
45 rrie rid 46, s
th sin 14, 47, lib d
a ita in
5 ts, iles its f
ra tru elo a
fix isib sealed
c er-g lass 49
