Page:Fifty years hence, or, What may be in 1943 - a prophecy supposed to be based on scientific deductions by an improved graphical method (IA fiftyyearshenceo00grim).pdf/95



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

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.