The central record. (Lancaster, Ky.) 18??-current, 1915-07-29
Some Marvellous Exhibits
at the Panama. Pacific
international Exposition

international Exposition
Exhibits in Agricultural Palace at the
Pansms-Pselhc international Expo
sition Show Caterpillar Gaining
Favor over lua-~heeier rrae-
tors In Farm Machinery.
An observer In the Agriculture Pal
ace at the Panama. Pacific Interna.
tional Exposition at San Francisco
cannot help noticing. in the display OF
agricultural power machinery. the al
most complete supersedence Of the
new design OF power tractor. known as
the caterpillar, over the cumbersome.
unstable, high-wheeled engine Of a
few years ago. There are few of the
old models on exhibition, while the
caterpillar principle has been applied
TO almost every type of engine for ag-
ricultural purposes.
The caterpillar proper is a heavy
sheet metal chain, varying in width
from ten inches to two feet according
10 the weight OF the engine, which
passes around two heavy sprocket
wheels like a belt. These wheels re-
volving. pass the chain about them.
the lower part moving backward, with
the weight OF the engine resting on
the broad surface of the chain be-
tween the two sprockets.
An engine OF this type can be OPP
Grated on ground soft enough to mire
an ordinary farm wagon
Duplicate Of the Roosevelt African
Shotgun.
A duplicate Of the shotgun which
Col. Theodore Roosevelt took with him
on his African trip. a gun constructed
expressly for him by an American
armorer, is on display at the manufac-
turers exhibit In the Manufacturer
Palace at the Panama-Pacific Interna-
tonal Exposition, San Francisco. The
gun cost its illustrious owner $3.50,
and its beautiful design. graceful
lines and wonderful inlay work would
Justify the expenditure to any lover
OF fine pieces. The stock is elabo-
rately hand carved. the barrels and
lock are hand engraved. and the lock
ia inlaid with hunting scene in gold.
The barrels are OF the finest Krupp
steel. Before starting on the trip the
ex-president wrote to the makers: Il
really think II 10 the most beautiful
gun have ever seen. I am almost
ashamed to taxa II to Africa and sub
1ect It to the rough treatment II will
receive"
The left barrel Ii choked and the
right open. II is cored to shoot either
buckshot or . single ball.
In Q group In this Palace are dis
plays by four Of the worlds greatest
manufacturers Of sporting arms. which
form an exhibit which attracts hum
dreds Of sportsmen. Each display Ia
In charge Of . firearms expert.
Pearl Culture Q New Industry.
Among the interesting exhibits or
the Japanese In the Manufacturers
Palace at the Panama-Pacific Interna-
tional Exposition ia demonstration
OF the methods and results OF pearl
cultivation In the far East. The dis
plays of this cultivated product. show
ing hundreds of pearls which until
pearl culture was placed on q COM
mercial basis few years ago would
have been the possessions OF royalty,
will delight any lover OF beautiful
gems. and the methods Of production
will prove interesting to any OBJ
server. Though pearl culture has be-
come Q thriving industry in Japan. at
tempts to reproduce 1t in other parts
OF the world have yielded but meager
results.
The successful method of propaga-
ton was evolved by the japanese sci
enlist Kokichi Mikimoto. who discov-
cred a species Of oyster which pro-
duced the pearl on the surface of the
shell Though the finding OF the oys-
tiers and inserting the nuclei. then
waiting for the pearl to grow to a
commercial size may seem a simple
process, the fact that II has not re-
duced the price OF the gems. even to
that of the most expensive limitations.
shows that It is beset with many diff
culties.