The Pensacola journal. (Pensacola, Fla.) 1898-1985, 1905-10-17

lively, in the large and small goods
sheds. both Ss5 yards away. and az a po-
sition on the north side OF the har5or
at a distance OF ESQ yards Leaving thu
main board IN trenches. the feeders are
carried overhead . double 40-fOot poles.
being suspended by means Of the usual
leather loops from a galvanized iron
wire carried over oil insulators.
At the distributing stations they ter
inmate on the crossbars- Where con-
sidered desirable Il has been arranged 70
couple the power and lighting feeders
together at su' tation through two
reverse current cutouts. with the idea
that either Llain can be used for both
purposes in the event 81 a breakdown.
From the distributing boards cable are
taken to the various lighting groups.
cranes and capstans. The cables are
carried IN the case OF arc lighting upon
oil insulators attached TO cre0soted
poles from which the lamps are sus-
pended. There are IN an los arc lamps.
l each fitted with lowering gear. and
the case Of outside lamps they ere %
the double-inclOsed type. Other lighting
IS carried out by means Of 80 50-caudle-
power incandescent lamps. 200 ga-candie-
power. COO 16-candlepowar and ~
1-ampere lamps
Lights Under water.
A point OF great interest is the light
ing OF the low level freight platforms
which az high tide are completely under
water. Necessarily the Installation Of
| the light IN these positions was a matter
calling for the greatest care and tho
/ best OF workmanship. although 70 r.
/ only the drops 20 the lights that are
/ actually under the influence Of the salt
/ water The plan adopted was 10 enclose
the wiring in heavy galvanized iron
tubes with screwed joints. the whole be-
ing coated In its position with paint.
The fittings are very substantial and
Thoroughly water tight. the glass being
cemeuted 70 an from ring and a joint
made between the latter and the upper
part Of the fitting BY means Of rubber.
This and all the othor wiring work was
carried out with very powerful vul-
canized rubber cable.
THE adaptations OF motors FOR driving
harbOr machinery that may be viewed
at Heysham are m al cases marvellous
examples OF their kind. OF the ~ cap
STAINS installed. the two atom ones
which are 20 be used for hauling ships
are OF the greatest interest The
motors are OF 2o-horsepoWer and drive
the caFstan through the bevel and after
wards by the single reduetion scar.
ef the motor shaft into an up and down
motion and gearing IL 70 n speed suif-
ahIe Tor the cnnstan The Controlling
gear IS operated by the foot and 80,
necessarily. contains some novel fea-
lures The depression Of the lever does
not directly operate the starting switch,
this being actuated By magnetism. All
that 60 does is TO make certain electrical
connections which result IN the ener-
glzins Of the controller and the moving
r.F rHHrHr u u aHHH
stop. An internal overload cutOut ~
provided which operates upon excessive
leads IN such manner as 20 make
hand replacement unnecessary, the re-
leasing Of the treadle and the cOnse-
Qucnt cutting OF n the current auto
matically returning the cutout % tho
.tirely does away with the ever-presene
possibility Of an ignorant workman
scorchlng the circuit breaker. very
frequent occurrence when electric ma
chimes are placed IN the hands Of
stupid people.
Electricity SHUTS Doors, TOssea
Freight md weighs the Cargo.
There are Y electrically operated nra
for passengers and goods Installed ~
the harbor landing stage. They are each
fitted with the usual control and safety
arrangements In addition. there Il
water level cutoff which works al .
The cranes. Of which there are "a Dos
sess features or HOVel character. For
Instance. the wharf cranes are lifted
with a free barrel ARRANGEMENT f0r
hosting which TIns loose upon the shaft
when lowering. and e. connected 10 hi bV
IN automatic clutch when raising: MS
erecting a saving q time in all opera
ions and a considerable reduction ~
he current Of the motor. The clutch h
controlled maguetically By a rnarhino
heated by the sun. and comes fnfo o.
grafton when one switches on the cur
-ent. The speed OF the loose barrsT
Ehcn lowering Is controlled by a frie-
Ion FOOT brake. Overtravel and no
'Oltage devices are fitted. and the br9Fa
s geared 70 the controller IN such =
manner that the motor current carnof
'e switched on until the brake is -
eased, thus preventing freight from
Teakfng away.
The motors are OF the Wesftn1bo-,-.
racuon type. The ones used FOR Iiffing
re f9-norsepoWer and the siesving no.
ors Of 1-hOrsepower. The 1870.
peeds OF each motion are 100 fsef ara
" Ieel per minute. The six platform
Ianes are ntted with tvo motors. the
y rect per minute. Such rernarkabis
peed IN handling freight has uever -
ore been dreamed on
+, i,ns l9eq5n9tivs superintendeut on the
iloland railway. Mr. Albert Edward
'unn worked out both the r1ec6a ni-ai
nd electrical enuiprnent 81 Hovqhara
ar Dor. Ihe triumph Of his genius les
rs sl95. o.ss.teiy new err 0f trnns-At-
OF; when finally perfected win un-
ouDtedly be the rnecharfraf and grian-
81 81, i a. Of both continents. fust
80 - eHls viii mean % London and Liv-
po9l VII depend on whether these
-. l.-,l lalter ports quickly follow the lead -
ipertor.