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Vintage Ad – 1945: Free Slide Rule

Free Slide Rule Ad, Crack Detective Stories, September 1945, page 93.
Free Slide Rule Ad, Crack Detective Stories, September 1945, page 93.

This Miraculous Time Saving Slide Rule is Yours Free!

Become a MATH Wizard! Get the Right Answers in a Flash Without Paper or Pencil! MULTIPLY, DIVIDE, SQUARE, CUBE, EXTRACT SQUARE AND CUBE ROOTS AS EASY AS PIE!

Worth a fortune to anyone in business, war job, or armed forces. A genuine, full-size—similar to a very expensive Slide Rule. Solves the toughest math problem, in a flash! This Slide Rule PLUS that added section “How To Use The Slide Rule” are FREE with the latest, lowest priced book of its kind. MATHEMATICS MADE SIMPLE.”

10” long Lucite Slide With Handy Carrying Case.

A, B. C, CI, D, K, Scales

“Mathematics Made Simple”

New, Amazing ‘Figur-Ease’ Method!

The New Enlarged, Latest Complete, Time Saving Home Study Book For Your Spare Time.

A “Must” for Today’s Better Jobs. . .and in COMPETING for that HARD-TO-GET-JOB after the War!

HOW MATH HELPS THE ENTIRE FAMILY

Math helps you get ahead. Learn math simply, interestingly. Written as if you had a professor personally explaining all the math rules—the short cuts, the professional tricks. It takes the headaches out of math!

Written by an expert teacher and a civil engineer. Contains six main sections—equal to years of school training—now condensed into one book for time-saving instruction—only $1.98 including the remarkable Free Slide Rule and “How To Use The Slide Rule.”

COMPLETE ANSWERS TO ALL PROBLEMS

Answers to every problem in detail. Practice exercises for speed and accuracy. Every day work problems explained. A test at the start and end for progress. Plus many more invaluable features!

What the “Figur-Ease” Method Teaches you!

• ARITHMETIC • ALGEBRA • PLANE AND SOLID GEOMETRY • LOGARITHMS • SCALES • GKAPHS • SHOP MATH • TRIGONOMETRY • HOW TO USE THE SLIDE RULE, LATEST TAXES, FOREIGN EXCHANGE, ETC. PLUS MANY MORE PRACTICAL FEATURES.

SEND NO MONEY—Examine Free

Rush coupon—there are limited copies due to piper rationing. A great help—NOW and in PEACE.

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