PRACTICAL WORKS FOR PRACTICAL MEN,

_By ROBERT GRIMSHAW, M.E., Ph.D._

=STEAM ENGINE CATECHISM.=

A Practical Book for Engine Runners (two vols. in one) $2.00

=ENGINE RUNNERS’ CATECHISM.=

How to Set Up, Adjust and Run any Engine 2.00

=PUMP CATECHISM.=

A Practical Help to all interested in Pumps of any kind (two

vols. in one) 2.00

=STEAM BOILER CATECHISM.=

About 800 Answers to about 800 Questions on the Steam Boiler 2.00

Practical, complete, up to date, undoubtedly the

best.--“_Milling World._”

Should be an enforced study on every boiler keeper.--“_The

Miller._”

The cheapest technical work we have ever seen.--“_U. S.

Miller._”

=LOCOMOTIVE CATECHISM.=

All about Design, Construction and Running of all kinds of

Locomotive Engines of to-day 2.00

=PRACTICAL CATECHISM.=

A Perfect Cyclopedia of Industrial Facts Wanted Right Away 1.50

=PREPARING FOR INDICATION.=

Practical Hints on the Steam Engine Indicator and its Use 1.00

=HINTS TO POWER USERS.=

Practical Suggestions to those who Pay the Bills 1.00

=TIPS TO INVENTORS.=

What Inventions are Needed, and how to Perfect and Develop

New Ideas in any Lines 1.00

=ENGINE ROOM CHAT.=

Brim full of Terse Wisdom and Dry Humor 1.00

=COMMON SENSE GEAR CHART.=

Enabling any one to Lay Down Perfect Gear Teeth 1.00

_By F. R. BRAINARD, U. S. N._

=KNOTS, SPLICES, HITCHES, BENDS & LASHINGS.=

128 Figures, and Full Description $1.00

Sent Postpaid on Receipt of Price. No Books C. O. D. No Small Accounts

Opened.

PRACTICAL PUBLISHING CO.,

=21 PARK ROW, NEW YORK=.

_ESTABLISHED IN PHILADELPHIA, 1873._

Fifty years hence: or, What may be in 1943 A prophecy supposed to be based on scientific deductions by an improved graphical method · 第 7 / 18 题