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HUGE TIDAL-POWER PROJECT.
Since the\mechanigal potency of a
nead of ‘water first was known, en
gineers have gazed with rovetous eyes
upon the almost infinite energy of the
tides, and schemes of all degrees of
practicibilit:y have been proposed for
the salvage of a modicum of that
wasted power for she work of civili
sation, - Most of these rather fanciful
suggestions have been unable to sur
vive the test of practical mechanics,
and the whole idea has remained in
the comfortable but: unprogressive
stage of a ‘“development of the fut
are.” From this category, however,
it now appeafs to have been suddenly
removed, by the anouncement, from
no less authoritive m body than the
British ministry of .transport, of re
markably comprehensive plans for an
enormous tidal-power plant on the
estuary of the Severn River, between
England and Wales. ;
The Severn project calls for a
usable output of 500,000 hp. continu
ously for 1.0 hour a day, requiring the
installation of two complete. plants,
with the stupendous total rating of
more than 1,500,00 hp. It is the ar
rangement of these two separate pow
er plants “for operative action that
_constitutes the ingenious feature of
the plan.
The first work to be undertaken
would be the construction of a rein
forced concrete dam extending lat
erally from each shore as far as the
central channel, and then turning up
stream along j#s sides and terminating
in a lock, large enough to accomodate
any vessel. In the lateral parts of
this wall it is the intention-to hang
automatic sluice gates, opening in
ward when the tide presses against
them, and then closing to prevent the
escape .of the impounded water.
Built into the parts of the dam par
alleling the channel will be the power
plant itself, equipped with a huge
battery of vertical mixed-flow tur
bines, 10 feet in diameter, the chan
nel serving as their tailrace. These
will have a working period of seven
hours, beginning with a 5-foot head
soon after the tide begins to ebb,
reaching a minimum 30-foot head in
three and a half hours, with a possi
ble drop of 10 feet in one hour, and
then diminishing until there is a five
hour period of no operation at all. -
With this changing head, the tur
bine speed would vary between 40
and 80 r. p. m. Direct-current gen
erators of separately excited type
-will be driven through helical garing
at 300 to 500 r. p. m., and will de
velop a constant voltage of 525, with
a varying current output controlled
either automatically or by an atten
dant. The current will be used toi
drive large rotary converters, deliv
ring alternating current at 330 volts,!
and this will be stepped up by trans
formers to 60,000 volts for transmis-]
sion. Not less than 1,000,000 hp, will
be the mamimum output of this plant.}
Ten miles from this huge installa
tion is the proposed location of the
secondary -plant, of over 500,00-hp.
maximum capacity. It is on the bank
of the river Wye, a Severn tributary,
near Tintern Abbey, and its main
feature is a concrete dam_across a
neighboring valley, forming a gigan
tic storage reservoir at a considerable
elevation above the river mouth. Be
tween this artificia] lake and the Wye,
a tunnel of 40 feet diameter is to be
driven through solid rock for more
than a mile. The plant equipment,
as planned, consists of asbank of
13,000-kw. alternating-current mot
ors, of a type operatable also as gen
erators. Of these machines, 90 per
cent will be of the induction type and
the remaining 10 per cent synchro
nous. They will operate at a speed
of 375 r. p. m., at 2,200 volts pres
sure. . -
This enormous group of electrical
machines will absorb all the current
the primary plant generates in excess
of the first 500,000 hp., which will be
distributed for industrial purposes.
Thus at the peak of the tidal head,
when the estuary plant is producing
1,000,000 hp. or more, the powerful
motors of the secondary plant on the
Wye will be running to full capacity.
—Paul H. Woodruff, in the Popular
Mechanics Magazine.
HOUSE-LIGHTING PLANT RUNS
ON WATER FROM KITCHEN TAP
The power supplied by a water
from a house faucet is sufficient to
drive a small dynamo by means of a
_
If you want to read a paper red-hot
with the exposure of Romanism, send one
dollar to Rev. Lon Davis, editor The Prog
ress, Acworth, Ga., and the Progress will
come to you fifty-two weeks.
In Clubs of four of more, seventy-five
cents (75¢).
new water motor; of about 1-2 hp.,
recently developed by a noted French
scientist and inventor. In his city
home the motor installation is per
manently attached to the tap, and
power is generated every time water
is drawn for any of the myriad
house-ho]ld purposes. Surplus ener
gy, generated during tifd day, ip
stored in a battery, and later drawn
upon to supply 20 incandescent bulbs
of 15 to 20 candlepower, says Pop
ular Mechanics Magazine in an il
lustrated article in the March issue.
AIRMAN “HOPS OFF” FROM
SKYSCRAPER ROOF
Making a “hop-off”” from the space
afforded by the roof of a building
was a feat recently performed by Mr.
Frank Clark, a 22-year-old airman,
resident of California, says Popular
Mechanics Magazine for March. Mr.
Clark now enjoys the distinction of
ranking with the late Jules Vedrines,
famous French flyer, who was the
first intentionally to land an airship
on a roof. Had it not been for the
interference of the Paris police, Ve
drines would have attempted the
stunt performed by Clark. From the
standpoint of hazard his feat per
haps overshadows that of Vedrines,
for the reason that in the latter in
stance safeguards, in the form of
ramparts or sandbags, inclosing the
roof, somewhat reduced the risk,
while in the case of the take-off
there was no chance to stop the rush
ing plane after it was once under
way. The illustrations show the pre
carious position of the plane on the
slanting roof, and the actual “hop
off.”
PORK DAY IS A BIG EVENT
FOR FARM BUREAU MEMBERS
Pork Day is one of the big annual
events of Kings County, Calif. It
comes in October usually. In this
contest the farm bureau is the unit,
and every farm bureau center in
the contest advances one carload of
hogs to be exhibited and rated by an
expert judge. Every farm bureau
center must have at least six consig
nors to the load, thus preventing any
big concern from exhibiting a car
load. In the contest last fall six
farm bureau centers as well as a
boys’ pig club took part in the con
test. Ten carloads were auctioned
in addition to seven cars that had
been in the contest.
The county agent leader says in
his annual report to the United
States Department of Agriculture:
“There seems to be no more conv
incing argument to a hog producer
than to see the actual sales of his
animals take place and to know the
difference in price paid for a super
ior quality animal.” 2
. Farm- bureau sales of this kind
were started in California in 1916 on
the initiative of the county agent of
Kern County. They are now be
coming common in all pork produc
ing counties of the state .- There
were 175 such sales in 1920, with
sales aggregating $1,400,000.
“ARE YOU MAKING ANY USE
OF THE COUNTY AGENT?””
This is the question propounded by
the Virginia Extension Service which
then proceeds to suggest three prac
ticable ways of ‘using thie county
agent right now.
1. Have you a big flock of hens
that will eat their heads off this win
ter.”
Two flocks of hens were culled one
day a short time ago. One flock
consisted of 75 birds, 50 of which
were culled out and sold.. The other
flock numbered 100 and 60 of these
(LI G %
L AL
sy
?:-y'...v e ','.‘,“r' ?
were discarded, The owners of the
two flocks report that they get as
many. eggs as before the culling was
done.
Think of that! In the first case the
feed bill reduced to one-third, and in
the second case cut to less than half
what it would have been had the cull
ing not have been done, with no ap
preciable decrease in the egg yield. -
2. Are you using purebred sires
exclusively on your arm? Have you
enrolled in the Government's Pure
bred Sire Campaign? Call on the
county agent to furnish the enroll
ment blank and sign the pledge to
use only purebred sires on your farm,
thus lining up with the progressive
farmers of this country and the rest
of the country.
3, Have you children or do you
know of children that omght to be in
the organized club work of this coun
ty? Help the county agent get them
interested.—The Progressive Farmer.
FREE SHRUBS AND PLANTS:
GET YOUR SHARE.
~ Just because you may not have
money enough to order all the treés,
shrubs, and plants you want is no
reason for not making a start in beau
tifying the home grounds now. Na
ture offers you many beautiful plants
and shrubs free of charge. ;
- Redbud, dogwood, and greybeard
are among our first native shrubs to
blossom, and may now be taken from
the woods and set in the yard. If
allowed to attain their natural shape,
these! shrubs are among the most
beautiful, native or foreign, that may
be used to ornament the home
greunds.
The bush honeysuckles, black haw,
and elder are other desirable native
shrubs. A group of these planted
so as to resemble a wild thicket will
become a most attractive ornament
for the grounds, serve as a screen,
-and be a haven for our fast disap
pearing wild birds.
Ferns, wild ginger, hepatica, phlox,
golden rod, asters, lilies, trillium,
lady’s-slipper, calycanthus, violets,
foxglove, larkspur, daisy, coreopsis,
jack-in-the-pulpit, and others, may
be also taken from the woods and
planted in association with the thick
et, due consideration being given to
the adaption of the location, soil, and
exposure to the requirements of the
plants used. Such a thicket would
home, and at the same time afford a
add a very attractive feature to the
means for both young and old folks
AGENCY
200 CHURCH STREET
Marietta, Ga.
ALL KINDS OF
Laundry Work
Dry Cleaning
and Dyeing
First Class Work Always.
P;IRS. GEORGE KINCIAD
PHONE 503
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THE MARIETTA JOURNAL
becoming better aequainted with our
wild bird and plant friends,
" The plants that can be identified
now should be taken up with as much
root as possible and set in amplei
holes with woods earth well packed
down gnd watered.’ Mulch well with
mixed, party decomposed forest
leaves. Others may. be selected this
spring and summer and marked and
transplanted next winter.—The Pro
gressive Farmer. : %
CHINESE ESTEEM GINSENG
‘ FOR CURATIVE VALUE
When a produgt has no market
valde for food, medicine, or -other
use in this country it.s surprsing to
find it respresenting an export value
of more than $2,000,000 a year, with
an established market extending back
more than half a century.
Ginseng is such a product. Ameri
can medical authorities have never
recognized it as having curative
value, but for more than a hundred
years its root has been highly es
teemed in China, and the 1919 uhip-i
ments of 282,000 pounds sold at
from $3 to $23 a pound. ‘
American ginseng was taken to
China by early traders, and formedi
the principal part of the cargo taken
by the first ship that visited China.
This ship, the Empress of China,
sailed from New York for the Celes
tial Empire on February 22, 1784
Decrease in the available quantity
of wild ginseng has led many Ameri
can farmers and gardeners to under
take the domestic culture of ginseng
and the United Statey department
of Agriculture has issued a new bul
letin, Farmers’ Bulletin No. 1184,
outlining the best methods of cul
ture. The department previously is
sued Farmers' Bulletin No. 736 on
diseases of the ginseng plant.
Ginseng culture is a long and pre
carious process, requiring six years
from seed to marketable roots, with
the most particular care during the
entire process. The magket also is
limited to such an extent that it is
estimated that 700 acres would fur
nish all that is needed. In the mid-
A RUge
& N
A K N>\
C Willard )}
8 v Ry . ; ;
; ’,vé j
| ABHEY.
B |
P ‘
i
“Threaded
> Rubber
Insulation”
The Willard Threaded Rub.
- ber Battery is immune to all
old-time wood-separator ills,
The plates are insulated—not
merely separated. ‘
No money out of your pocket
for separator replacement, be
cause Willard Threaded Rubber
Insulation neither warps, cracks,
carbonizes nor punctures. It
outlasts _the‘ battery pl:&es. '
YAsk about the llard
Thseaded Rubber Mhattery —
thefly battery with Threaded
Ru Insulation. |
Marietta Battery Co.
G. C. Langford, Mgr.
200 CHURCE STREET
Reaves Bros. Garage, Roswell Ga.
(Y
o 3% o
: Pt g
Willard
Batteries
dle of the last century exports to
China were eight times what they
were in 1919. The price at that
time averaged 94 cents a pound. In
1919 it averaged $7.29 per pound.
VARIOUS VALENTINES. *
Frgm the Baker:
A cake I may he. Scornful men
¥lave said I am—but, no mis
take! :
Be mine, sweetltart, be mine, and
then :
I'll be awedding cake!
From the Shoemaker: 1
What boots it that I mend my shoes
3 Until my heart is whole? | -
I'm pining fast, and cannot last
Unless you heal my soul. |
From the Grocer: g |
If T had more eyes than a 'tater,
you'd stil] be
The apple of each of those eyes,
I declare.
Oh, take me, my apple—lwould
be—ll will be :
Your pippin, and we'll be a pak!
From the Poultryman:
If heavenly pity can induce
A little duck to love a goose,
And you will only breathe the
word,
I'l] fly to greet you, like a bird.
—La Touche Hancock in Cartoons
Magazine. :
CHAS. P. PENDLE
CITY MARKET
| - Fancy Western Beef
Spring Lamb
'~ —ALL KINDS OF—
Ve‘gelables.and Fruits
" CHURCH STREET |
Opposite Nolan’s - - Phone 381.
A Dangerous Period Through Which Every Woman Must Pass
Practécal Suggestions Given by the Women Whose
Letters Follow
) Afton, Tenn.—*“l want
\1) W C)~ other suffering women to
s/l il i >392 ) know what Lydia E. Pink
"W/l },;,1 Eaaßnge i ,«.H;l ' ham’s Ve et&gleCompound
N 7 .{(h,xi:,‘!f'» ‘5"55'?:5“ | hasdone{%tme. During the
S(,/ il ; eoB ‘:ngi;f%l ' Chanfe of Life I was in bed
“,‘ligh;,,;g_A,:'-,,_;‘.;;’ ,“‘.;:,hg“,,‘ for eight months and had
/ :,H%f‘;]" ¥ ",l'f?;;fg}? fwe geed d%cutior- trn‘;i:{
U (HINHREE | A me but they did me no
| i!j”igigf.r-»,_ ~ AR A friend dviledmeto take
‘ BHEHBE 7 . R Lydia E. Pinkham’s V.
1| s;,;:‘T‘iq; sR AR RSN I table Compound,whlchlm:
L :,_';fgg;;iv';j~::::2:s>’s§_§;, :m,’ 41 and in & short time I felt
;l’t:'?."- el %%,“f,"'sfs!§';:' tH better. 1 had all kinds of bad
388 EaER "eARRAR R A B ’
MR RIS | spells, but they all left me.
i ETIR AR R ”W REgaRiREaREs | INow when I feel weak and
1 i ;;ft;f:'z;;zi* n sR | Dervous fiake the Vegetable
!l ey R ~‘.‘zi Compouid and it alwaysdoes
MRy~ 0" .o g | me %ood I wish ail women
EEeth e & o e | would t‘?' it during ‘he
’»l’Jf' s e . e Changeo Life for I know it
i[t) eS e will do them good. If you
{ [‘,i; ee S /) think itwill induce some one
]i Gl L, R R to try the Vegetable Com
i i Vs / round you may publish this
S s etter.” —Mrs. A. KELLER,
{ois Wi st g » (Q Afton, Tenn.
i Tt 4 Mrs. Mary Lister of
A /e ()Y Adrian, Mich.,adds her
732 LSy 7 7hey testimony to the r
J TN & o/ of Lydia E. Pink '8
Vegetable Compound
to carry women safely through the Change of Life. She 3ays:
““It is with pleasure that I write to you thankini you for what your
wonderful medicine has dene for me. I was pusinf rough the Change of
_Life and had a displacement and weakness so that [ could not siand on my
feet and other annoying symptoms. A friend told me about Lydia E. Pink
ham’s Vegetable Compound and the first bottle helped me, so I got more.
It cured me and lam now doing my housework. Your medicine is certainly
woman’s friend and gou may use this testimonial as you choose.”’—Mrs. MARY
LisTer, 608 Frank Street, Adrian, Mich. s
It is said that middle age is the most trying period in a woman's life, and
owing to modern methodsof living not one woman ina thousand s through
this perfectly natural change wi&out exp eriencing very m-oym;npm
Thosesmothering spells, the dreadful hot flashes that send the blood rushing
te the head until it seems ay though it would burst, and the faint feeling that.
follows, as if the heart were ‘filnz to uor, those linkln’ or dizzy are ail
symptoms of anervous condition, and indicate the need fora ‘miedicine.
Lydie E. Pinkham’s Vegetable Compound is a root and herb medicine espe
ei.l‘ adanted to act upon the feminine system. It acts in such a manver
s to build up the weakened nervous system and enables a woman to pass
this trying period with the Jeast possible anncying symptoms,
Women everywhere should remember that most of the commoner ailments.
of women are not the surgical ones—they are not caused by serious "hn
ments or growths, although the symptoms may be the same, and that is why
$0 Man lmmly serious ailments readil}y yield to Ly&'o E. Pinkham’s
m‘u pound, &s it acts as a natural resturative and often prevonts
troublen. , :
Lydia E. Pinkham’s Private Text-Book upon “Ailments Pecu~
lidr to Women” will he sent to you free upon request. Write
to The Lydia k. Pirvsham Medicine Co., Lynn, Massachusetis.
This book contains valuabla information,
THURSDAY, APRIL 14, 1921
ADRY SPELL.
A crafty old codger named Dick
’Sold hooch with a vigorous kick. -
~ 'We were getting our fill,
~ Till they raided his still.
Don’t those revenue guys make you
sidh?—Cartoons Magazine. -
HURRY, HURRY! -
Bluck—Why do vessels leavierg
New York make the greatest speed
the first three miles? '
Blynk—The bartenders help stoke.
—Life.
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