New-York tribune., 1906-07-22
FACTS OF GENERAL INTEREST.

The motor truck 20 carry loads Of five 70 ten
tons IS rapily making its way in the cities OF the
country East and West. New York has a large
and increasing number. anybody who moves
about in it's streets The Edison Company
alone uses afty Of them Philadelphia has installed
them by the score, Pittsburg is pretty hilly, but
il has introduced them; Chicago has score or two
in operation; Denver and Kansas City are not be-
hind in the race; Omaha has its first one and
Salt Lake City fourishes forth the proud Iec9Fa s
of two, its augmentation confidently looked Tor.
ing them. and the tokens everywhere indicate that
the giant ye9Se mas come NTH 70 STospect that its
field win widen to take in country employment one one
OF these days, with industrial results wnlch SO Tar
can only be conjectured.
An S-inch pipe line thirty miles long for oil has
been laid down by one Of the great oil producing
companies, and Il is found to deliver from eight
to ten times as much oil as the ordinary pipes.
This is accomplished by having the latter rifed on
the principle employed in the gun barrel and in
Producing small portion about 10 PER pGd sent fbs1 on
OH. II was reasoned by the inventors that If MIN
Of 1t could be made 20 coat the inner surface OF I
Increase the rapidity Of its fiow The theory was
T911d 70 proses De % resufs in the oil business
WHARF, csrriage is the main element Of cost. The
STeat denoss Of fuel oil on the Pacific Coast bid
fair TO be especially affected by 1t. some; now
worthless becoming of great commercial value
Chicago possesses a camera three times larger
than any other in the world. and is very naturally
proud of it. The body Of the instrument is feet
inches wide feet high and 20 feet long when
and aiS cost $3.50 The plate hoIdeF weighs nearly
by means of a derrick. The glass plates which
the negatives are taken weigh over Z0O POUNDS ana
ESSI soy ant nctuTes have been made some OF
them birds eve views Of factories and towns It
counted be in every way sTGSsssfI pT0dTeipg 1 De
of glass feet long and feet 8 inches wide.
Gas pipes made out OF paper are Of recent inven-
ton and use and to do the business required
Of them fairly well. THE Scientific American"
translating from the Revue de Chmie Industri-
elle," thus describes the way in which they are
made:
Manila paper. cut in strips OF a width @ equal I, to
the Hga e Sf Tfh Te ed 20 asphalt and rolled sol
Idly and uniformly around a rod or core or IRON ron
Dipe thus produced has been submitted to strong
PRESSURE the exterior is covered with sand and
the Whole T fer fe1eG surface IA Covered With waterproof
product and TneSe ToTe PP PecPoncca tan those made Of
metal and it is expected that they VIII prove more
durable
A writer in la Nature. of Paris. says that in
the last thirty years Arbor Day. originating as an
annual festival and holiday in the United States
has spread to many European countries, where its
observance has been entered on and is kept up
with enthusiasm Italy began II in 1902. making It's
In spain like association was formed in the same
wear. Belgium fell into line little later, ana II
Russia Sweden Austria Hungary, Switzerland,
Portugal, Japan, everywhere where the necessity
of refOrestation has recognized. children are
Interested in trees by similar methods In this
resDect France has taken a leading part, the school
children going in the spring into the fields. under
the direction of the teachers, and there planting
trees to develop into future forests. The French
Forest Society Of the Friends Of Trees whose presi
dent is Senator Calvert has gven, strong i'm
aid and to the celebration of ArboT Day particu-
lar this wear to reinforced with the aid of rec
tors projects forest administration and all al
lied oficials. The writer in La Nature" NJ Re
{he proposal Of Secretary Morton. made in Ne
braska it's adoption as a national festival speed
ily following.