The Memphis appeal. [volume] (Memphis, Tenn.) 1886-1890, 1889-04-28
THE DURABILITY or ROMAN ARCH.
TECTURE.
II Was Largely Duo 10 tho Purity OF tho
Sand Used In the MoTtar-A Lesson
for Modern Architects and

Sand Used In the MoTtar-A LosBon
for Modern Architects and
Builders.
Wandering along the lcvce one evening
last week a hearty. CHEEKY voice hailed ne
with come aboard and take q little run
up the river" Looking mp | saw Capt.
McNeclCy, Of the iaunly. bustling little tux
Napoleon, standing ON It's deck tossing a
welcoming laugh toward me. "Whcre are
YOU going, Captain up around the
point after barge load of sand aud gravel.
Rnyanaugh Bros. have got new patent
sand pump working There, washing sand
aud gravel from the bottom OF the river
and putting II up In assorted sizes. Beside
tho trip this Is well worth looking at
Climbing on board | was comfortably
seated in front OF the piloi-house, while
tho Mpo,con propelled itself M the river.
Tic air was fresh aud moist, the shores
bright and green, aud the tug clean and
trim. Soon We came alongside oi queer
looking craft anchored Just OIL the shore,
and pulling aud blowing away Ia thor
oush business style. Mr.. W. X. kaya-
naugh was there. and explained 10 mo that
this machine WAS a new process ior washing,
screening and asserting sand aud gravel A
rushing let OF water stirred up tue sand
aud gravel at the bottom OF the river, then
IL was gathered up by powerful celrilu-
gal rotary steam pump and thrown into
long chute. passing over set OF screens
aud dropping into barges lying below.
First the large gravel, then the smaller,
then the purc sand, all washed thoroughly
clean, and every particle Of mud, loan,
clay and earthly faint removed. The sand
was pure, clean, sharp sand, nothing but
sand, merely that and nothing more. Doe
ing this ut the rate of 200 cubic yards Of
washed sand aud gravel a day. ! was
much interested in Mr.. kavanaugh's ca.
PLANTATION OF this pump aud Us workings
and the details OF the preparing and SELF
ING this purc sand and gravel. When We
returned he took me into their Office nj
the yards OF &. Il. Bryan x Co., corner
/ Main and Bcalo streets, and showed me
their piles % sand for building purposes,
gravel for roofs and gravel for streets, all
sorted and arranged. There were the
queer pebbles aud yaricenlcd stones.
10 dear 10 children Of large a.
well as small growth and piles Of
pure, clean sand, wOndrous tempting
~ play ground. The next day, meeting
one Of the oldest aud best builders aud
contractors Of tie city. ! told him 0i my
/ trip. lie was at once Interested and com
/ mcnccd q discussion OF its value. said hc.
/ "DO you know tlie reason Why tho build
/ ings VI the old Romans aud Of the various
/ lost nations arc M solid today as when they
were buiR II is the mortar. We have
no such buildings nowadays. Why. q
building IN one Of ourcilirs lity years old u
amaryc. The old builder bad not ~ good
limo ~ We have, but they used pure,
clean, sharp sand and not loan, ~ clay,
1 or dirt ~ make their mortar Look at any
OF the buildings being torn down aud sct
What an utter failure thu mortar Is. IL ha,
no binding power. the bricks can be- lifted
of by hand aud the mortar mcrc dust and
dirt, swept OIL. What cin YOU expect 81
such walls but failure and Disaster The
ordinary sand provided by the sand dealer
Ia tho common way j. utterly unit 10 make
mortar, the mortar has no cohesive power,
II dries out and ~ gone. lsn'i itun every day
thing 90 see " hear OF nrW buildings tall
ing, walls cracking and stones dropping
out. How many modern buildings M,
sound and solid five year alter They arc
butte This u all due a. iho unc.can sand
used. There u NJ pure building sand if
the bed II tho river as the world ever saw
bat II needs washing aud cleaning. Nor
tor male from sand hauled from bar,
and used without cloaulnA can netci
make q sound building, Willie tie sam'
sand properly washed vii make mortal
that will equal the best NJ that Of Roman
or Peruvian dayA Where did you say
that washed sand wasg ! am going 10 gcl
sjmo " II, aud have sumo good lasting
morlar made for my ncN building you
would enjoy an examination ol ihis san'
pump and process of slrul and washing
Go zap on the Napoleon some ddy when 4
goes ailor large, aud pee how q works
~ will do H. ! would like 10 sec SAND
that Will make genuine Woraf ana grave
that Ia gravel aud not dirt, aud he walked
away growing over The usn.e.shgs, o
modern mortar aud uuvishgd building
sand. kALAkuA.
| @HHHaHH aH~
llgrNHixa OF Wa.ehcs ald IuSelry
Thayer.
I