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DICTIC

A REFEREN
DRAWING

F
Associate

SL

Associate

FO

AND

DICTIONARY OF SHOP TERMS

A REFERENCE BOOK OF MACHINE SHOP AND
DRAWING ROOM DATA, METHODS AND

DEFINITIONS

BY

FRED H. COLVIN, A.S.M.E.
Associate editor of the American Machinist, Author of “ Machine
Shop Arithmetic,Machine Shop Calculations,"

The Hill Kink Books,etc., etc.

AND

FRANK A. STANLEY
Associate editor of the American Machinist, Author of “ Accurate

Tool Work," "Automatic Screw Machines,"

The Hill Kink Books," etc.

FOURTH IMPRESSION

ELEVENTH THOUSAND

CORRECTED

1909
MCGRAW-HILL BOOK COMPANY

NEW YORK

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PREFACE

EVERY man engaged in mechanical work of any kind, regardless of his position in the shop or drawing room, frequently requires information that is seldom remembered and is not usually available when wanted.

With this in mind it has been our endeavor to present in convenient form such data as will be of value to practical men in the various branches of machine work. While some of the matter included may seem elementary, it was considered necessary in order to make the work complete. Much of the information has never before been available to the mechanic without tiresome search and consultation.

We believe that the Dictionary section will be found of service to the younger mechanics and in helping to establish standard names for various parts which are now more or less confused in different sections of the country.

Our indebtedness to various manufacturers and individuals is hereby acknowledged, and in the back of the book will be found a list of such authorities with page references to the information furnished by them.

We dare not hope that no errors will be found and we shall be glad to have them pointed out and to receive any suggestions as to additions or other changes which may add to the value of the book.

THE AUTHORS.

4.35972

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