HOUSE AND GARDEN 
November, 1914 
329 
sewerage plant in concrete, which answers 
his purpose even better than large city 
works, for he has neither the tax nor re¬ 
pairs that always attach to a city sewer 
system. 
The principle upon which the concrete 
septic tank operates is extremely interest¬ 
ing. It consists of a long, water-tight 
cistern, through which sewage passes very 
slowly and evenly. Located underground, 
it is warm and dark, thus affording perfect 
conditions for the development of the 
bacteria or germs which clarify and render 
harmless the sewage. After passing 
through the septic tank, the sewage is prac¬ 
tically free from all suspended matter and 
has the appearance of water. From the 
septic tank this clear effluent is discharged 
into three lines of ordinary farm drain 
tile. 
While the odor from a septic tank is 
scarcely noticeable, it is nevertheless best 
to locate it at some distance from the 
house. Choose a spot easy to excavate 
so that the top of the tank can be sunk 6 
inches below ground level and where the 
lines of drain tile will have sufficient fall 
to carry off the discharged fluid. The 
tank should be large enough to hold the 
entire sewage for one day. For a familv 
of eight to ten people occupying a house 
having two bathrooms fitted with the cus¬ 
tomary appliances in the way of tubs and 
stationary washstands and downstairs tbe 
kitchen sink, a concrete tank having two 
compartments, each 4 feet long by 4 feet 
wide by 4 feet high, will be required. 
Since the top and bottom are each 4 inches 
thick and the top of the tank is 6 inches 
below ground level, dig the pit 5 feet 2 
inches in depth. The walls of the tank are 
8 inches thick and the partition between 
the two compartments 6 inches. There¬ 
fore, the length of the pit should be 9 feet 
10 inches and the width 5 feet 4 inches. 
If the earthen walls of the pit stand 
firm, only inside forms will be needed. 
These inside forms are merely boxes made 
of i-inch boards. Two boxes will be re¬ 
quired to make two compartments. The 
outside dimensions of the boxes should be 
4 feet square by 4 feet high. The boxes 
or forms will be placed on the freshlv-laid 
concrete floor. Holes for taking 6-inch 
pipe should be made in the boxes, as shown 
in Fig. 1. The holes should be 4 inches 
from the top of the box form, measuring 
from the top of the hole. The concrete 
should be mixed in the proportion of 1 
part Portland cement, 2 parts sand and 4 
parts crushed rock or gravel. Place a 
4-inch thickness of concrete in the bottom 
of the pit to form the floor of the tank. 
On top of this concrete set the box forms, 
which should be ready for immediate use. 
Place the forms so that there is a space 
of 6 inches between them and an 8-inch 
space between them and the earthen walls 
of the pit. Then commence depositing 
the concrete for the walls and partition. 
As soon as the level of the concrete reaches 
the holes in the forms place in the holes 
THE AUCTION BLOCK 
By REX BEACH 
Rex Beach’s new novel, “The Auction Block,” is a story 
written with all the author’s well-known virility of style and 
has more humor in it than any other of Beach’s books. The 
novel manner of reproducing the charming Gibson pictures 
makes “The Auction Block” especially suitable for a gift. 
Illustrated. $1.35 net. 
The 
New 
Clarion 
By WILL N. 
HARBEN 
A tale of 
love and 
mystery in 
the Georgia 
mountains 
with all the 
humor of Abner Daniel and 
Pole Baker—and both of these 
favorite characters are in this 
book. 
Frontispiece. S1.35 net. 
The Lights Are 
Bright 
By LOUISE KENNEDY MABIE 
“A story of business intrigue 
which unfolds a romance as pure 
and sparkling as the great lakes 
which give to the book its nau¬ 
tical title.” — Chicago Continent. 
“A well-told story of business 
rivalry, of love, and of the Mid¬ 
dle West.” — N. Y. Post. 
Frontispiece. S1.25 net. 
The Letter of The 
Contract 
By BASIL KING 
Face to face with one of the 
greatest problems of the day 
stand the hero and heroine of 
this new novel by the author of 
“ The Inner Shrine.” They learn 
at last the truth—that while the 
law must take count of the letter, 
the human heart is spiritually 
elastic. 
Illustrated. SI .00 net. 
Just 
Around 
The 
Corner 
By FANNIE 
HURST 
The hero¬ 
ines of these 
metropoli¬ 
tan roman¬ 
ces are all 
working girls, in their strength 
and their weaknesses, in their 
work and their play. Here is hu¬ 
mor and the unexpected climax. 
Illustrated. SI.35 net. 
\1 
JUST 
AROUND 
THE 
CORNER 
FANNIE HURST 
q H.noroa, ilorin », profit ID o44 cltj <Or¬ 
am tery bmmoa ftoplr >orBle(. plk/taft. 
Uu(KiD( «D< •ccdiIoddJI, 001 
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