Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION.
Click on a see also (sa) or tracing (xx) to view detailed entries about a related subject.
The entries are in alphabetical order by magazine name and then in chronological sequence.
To obtain a copy of any magazine article contact your local public library or the publisher.

The almost perpetual motion machine. Includes instructions on construction and "technical explanation" of how it works.
BOYS' LIFE Dec 1969 (v.59#12) pg. 54

Reader comments on a December 1971 idea for an osmotic fountain concludes that it violates the laws of thermodynamics and thus cannot function.
SCIENTIFIC AMERICAN Apr 1972 (v.226#4) pg. 110

Experiments with linear track motors in which magnets attract other magnets in apparent perpetual motion.
SCIENTIFIC AMERICAN Mar 1982 (v.246#3) pg. 142

Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law.