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CLEVER TRAINED Dog.
have his picture taken.
A Dog Cyclist to every day problems. Mr. Davis was for ten years mechanical expert in the lubricating department of
THE TRAINING OF ANIMALS to perform a large oil refinery company and is now oil inspector various feats has reached a high degree for a large steel company. While every engineer and mechanic has to do with lubrication but very little has
of perfection, but very few animals have hitherto been known about the subject. The work is the result of years of careful study and experience
ever been taught to keep the bicycle upand the book is easily worth $5.00.
right. It is a fact that the dog pictured POWER says: "It is the practical man's book through and through and information gleaned from it herewith will sit upon a wheel, and so will be found readily applicable to every day problems."
adjust himself that while it is moving
slowly he will not fall off. He is owned T. W. DEC. ORDER COUPON
by J. B. Foster, of West Chester, Penn
sylvania, who occupied his leisure time Fold a $2 bill in this Coupon and for nearly a year in teaching the dog. MAIL TODAY.
When the photograph was taken, the
bicycle was not supported, but the dog LUBRICATION PUBLISH. Co.,
held it in a stationary position long Pittsburg, Pa.,
enough for the exposure to be made.
Box 475 Enclosed please find $2.00 for which MR. Hugh A. HACKETT, a student in send by mail, prepaid, 1 Copy of “Friction and Lubrication.
the Electrical Course of the American
School, expects to get his degree from Name
Johns Hopkins University next June. In Street
his present studies he is leaning as much
as possible to the scientific line, in order City
that he may take a B. S. degree from State
Armour Institute of Technology in as
short a time as possible. Montion The Technical World.
About as big and heavy as a watch.
Shows CORRECT MOVEMENTS of valve and piston, and sections of chest, ports, and cylinder.
Can be carried in pocket or will stand up.
It shows lap, lead, cut-off and compression-shows just what a plain slide valve engine does when at work.
This model ought to be in the hands of every engineer in America, and can be, for each can have one for himself without costing a cent in money.
Fill out slip below, cut it out, and send to POWER, World Bldg., New York,
and we will tell you how to get one.
Mration The Technical World
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