physics - light measurement handbookok/ o b d han / m o ht.c g i l l .int w w P://w T T H Light Measurement Handbook 1998 by Alex Ryer, International Light Inc. To receive International Light's latest Light Measurement Instruments Catalog, contact: International Light 17 Graf Road Newburyport, MA 01950 Tel: (978) 465-5923 Fax: (978) 462-0759 ilsales@intl-light.com http://www.intl-light.com Copyright 1997 by Alexander D. Ryer. All Rights Reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the copyright owner. Requests should be made through the publisher. Technical Publications Dept. International Light, Inc. 17 Graf Road Newbu……