Norman Lathrop Enterprises | Norman Lathrop Enterprises
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Lathrop Report On Newspaper Indexes
A profile of Norman Lathrop Enterprises
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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.


Interactive control of a Sony Betamax video recorder (model SLO-320) by means of a personal computer (TRS-80 or Apple II) to form a low cost computer-aided instructional system.
BYTE Jul 1980 (v.5#7) pg. 116

Build your own teaching machine. Lights signal correct answer to multiple choice questions. Answers are selected through the use of a probe.
ELECTRONICS ILLUSTRATED Nov 1967 (v.10#6) pg. 29

Teaching aid for learning to read a micrometer. Question card cannot be withdrawn from a wooden box until the correct answer is selected.
INDUSTRIAL EDUCATION Nov 1979 (v.68#8) pg. 56

Make your own subliminal tapes. Build a simple audio mixer circuit that allows you to experiment with one of the most controversial forms of self-improvement systems.
POPULAR ELECTRONICS [2] Feb 1993 (v.10#2) pg. 53