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amazing new kind of slide rule handbook
bRAND new

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Titolo: Amazing new kind of slide rule handbook

Dimensione file: 941 KB (888x1248 pixel)

Tipo del contenuto: pagina di rivista o giornale

Fonte pubblicazione: Popular Science

Data della fonte: 1942-12

Linguaggio: en (English)

Marca del contenuto: Wilcox & Follett  

Caricato da: Maverich il 20-10-2019
Testo originale: amazing new kind of slide rule handbook
bRAND new edition
FOR MECHANICS, MACHINISTS,DRAFTSMEN, AIRCRAF,WORKERS, TECHNICIANS, ACCOUNTANTS.
10" SLIDE RULE AND CASE ATTACHED RIGHT WITH HANDBOOK IN COVER. Always READY FOR INSTANT USE.
genuine Manheim type rule lucite magnifying indicator ABCD and K scales accurate

Get A Better Job In WAR INdUSTRY
the use of the slide rule has become a necessity in many fields of technical and industrial work, not only for the trained engineer, but for the skilled and semi-skilled worker making calculations on his job.
That’s why promotions are rapid for the men who masters the slide rule and knows how to apply it to his work. Learn the short cuts to calculations, figuring and measuring problems that confront machinists, mechanics, tool and die makers, pattern makers, draftsmen, electricians, and other technical workers every day. Why spend valuable time laboring with a pencil and paper when the slide rule can do "lightning" calculations for you in seconds... and be more accurate than the slow, laborious paper figuring.
Be the "Mathematical master-mind" in your shop and use the "slide rule" as a means of getting a better job and better pay.

work sheets and answers
this remarkable new "slide-rule" mathematical handbook shows you how to figure multiplications, division, percentages, reciprocals, proportions, squares, cubes, roots, measurements of geometric rectangle, circles, prisms, spheres, and triangles, work sheets and diagrams covering every function of the slide rule are included. Answer booklet in back of book to check your results.

STEP BY STEP LESSONS
Reader is taken step by step through the applications of the Slide-Rule so that he gets a thorough review and basic understanding of all divisions of mathematics and its practical application to shop practice. Anyone with just a little knowledge of elementary figuring can master these simple, easy lessons.

5 PLACE LOGARITHM TABLES
Eighteen full pages of logarithm tables and 45 scales showing the Trigonometric Function of Angles-also a table showing the many decimal parts of an inch make this volume one of the most complete and practical manuals on technical applications of calculations ever published.

SLIDE RULE FREE WITH BOOK
Everyone who orders this Slide-Rule Manual is given absolutely free a genuine Manheim type slide rule with 5 scales and magnifying lucite indicator.
A case for the rule is attached the cover of the book so it is always ready and handy for instant use. Order your copy today on our guaranteed "Money Back Examimation Offer." Only $2.98 postpaid—if sent C.O.D., postage and C.0 D. charges extra.

Wilcox & Follett Co., 1255 So. Wabash Ave. Dept. P. S. 12 Chicago, Illinois

AUTHORITATIVE

Written and Prepared by
Hobart H. Sommers, M.A.
Harry Drell, B.S.
T. W. Wallschlager, M.S.

Complete Course
34 Easy To Understand Lessons
Work Sheets For Each Lesson
Answer Book To Check Each Problem
ACT TODAY WORK


Tag: regolo calcolatore