Truths Toolsto From

By Jim Tolpin and George WalkerIllustrated by Andrea Love

Truths Toolsto From

First published by Lost Art Press LLC in 201726 Greenbriar Ave., Fort Mitchell, KY 41017, USAWeb: http://lostartpress.com

Title: From Truths to ToolsAuthors: Jim Tolpin and George WalkerIllustrator: Andrea LoveEditor: Christopher SchwarzCopy editor: Kara Gebhart UhlBook Production & Design: Meghan BatesCover: Andrea LoveDistribution: John Hoffman

Copyright © 2017 by Jim Tolpin and George Walker

ISBN: 978-0-9978702-5-1

ALL RIGHTS RESERVEDNo part of this book may be reproduced in any form or by any electronic or mechanical means including information storage and retrieval systems without permission in writing from the publisher, except by a reviewer, who may quote brief passages in a review.

This book was printed and bound in the United States by: Signature Book Printing, Inc.8041 Cessna Ave.Gaithersburg, MD 20879http://signature-book.com

The Awl 8Dividers 13Rulers 16Story Sticks 21Compass 27Spiling Batten 34String Line 40Straightedge 45Bending Battens 47Marking Implements 49Plane Generators 58Gauges 69Squares 95‘Smart’ Square 108Plumb Line 117Libella 122

Center Finder 128Sector 136Proportional Dividers 141Scale of Chords 145Protractor 149Large-Scale Layout Tools 155The Triplet 157Carpenter’s Ten-Foot Pole 160Thirteen-Knot Cord 164Cord of Polygons 168Groma and Merchet 172Cords of Magnitude and Angle 175Chorobate 179Cross Staff 182Logger’s Felling Gauge 186

Table of Contents

Introduction 1

Appendix 191Epilogue 193