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 hearing assistant. A useful project to help the hearing-impaired enjoy TV by controlling the sound volume of an audio output jack (headphone jack) separate from the TV speakers.
AUDIO ELECTRONICS 2/2000 [Mar 2000] (v.31#2) pg. 16

Help for the hearing-impaired amateur. A simple assistive listening device that you can put together from readily available parts.
CQ. THE RADIO AMATEUR'S JOURNAL Jun 1985 (v.41#6) pg. 52

Make a hearing aid for $30 or less.
MOTHER EARTH NEWS #92 Mar-Apr 1985 pg. 148
Correction MOTHER EARTH NEWS #93 May-Jun 1985 pg. 9

Electronic aids for the handicapped. (1) Light probe for the blind. (2) Color detection circuit for urinalysis. (3) Hearing aid repairs and substitutes.
POPULAR ELECTRONICS [1] Apr 1981 (v.19#4) pg. 83

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