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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.


An in-the-car dwell meter/tachometer shows both engine rpm and degrees of point closure.
ELECTRONICS WORLD May 1971 (v.85#5) pg. 78

Solid-state dwell meter and tachometer for tuning 4, 6, or 8 cylinder engines. Est. cost: $20.
ELEMENTARY ELECTRONICS May-Jun 1966 (v.2#2) pg. 53

Electronic tachometer and ignition point dwell meter.
ELEMENTARY ELECTRONICS Nov-Dec 1968 (v.7#2) pg. 37

Build a professional dwell tachometer. Uses an integrated circuit.
ELEMENTARY ELECTRONICS Mar-Apr 1974 (v.14#2) pg. 59

A basic guide to using autombile tune-up instruments. Covers tachometer, dwell meter, and timing light.
ELEMENTARY ELECTRONICS Mar-Apr 1980 (v.20#2) pg. 62

Build your own combination dwell meter/tachometer for tuning up your car.
ELEMENTARY ELECTRONICS Mar-Apr 1980 (v.20#2) pg. 66

Tachometer calibrator is used to test dwell meters or tachometers before you use them to tune-up your car.
HANDS-ON ELECTRONICS Jan 1988 (v.5#1) pg. 52

Auto tune-up meter for adjusting engine dwell angle, hot and cold idle speeds and the voltage regulator. Use with any 4, 6, or 8 cylinder engine and with a 6-volt or 12-volt negative ground electrical system. Est. cost: $40.
MECHANIX ILLUSTRATED #497 Oct 1969 (v.65) pg. 108

Turn an ordinary voltmeter into a dwell meter with a simple plug-in adapter. Est. cost: $2.
POPULAR ELECTRONICS [1] Feb 1966 (v.24#2) pg. 58

Batteryless dwell meter. Use either a 6- or 12-volt system and on a 4, 6, or 8 cylinder automobile engine.
POPULAR ELECTRONICS [1] Nov 1967 (v.27#5) pg. 40

Automotive dwell meter can be used on 4, 6, or 8 cylinder engines with 6-, 12-, or 24-volt batteries. Est. cost: $10.
POPULAR ELECTRONICS [1] Aug 1969 (v.31#2) pg. 33
Correction POPULAR ELECTRONICS [1] Nov 1969 (v.31#5) pg. 12

Electronic tach-dwell meter measures both rpm and dwell angle.
POPULAR ELECTRONICS [1] Nov 1972 (v.2#5) pg. 42

Build an accurate dwell/tachometer instrument. Use negative ground systems. Voltmeter reads either dwell or rev/min at the flip of a switch.
POPULAR ELECTRONICS [1] Apr 1973 (v.3#4) pg. 67

How to use a VOM as a dwell-angle indicator when tuning up automobile engines.
POPULAR ELECTRONICS [1] Oct 1974 (v.6#4) pg. 37

A wireless idle tachomoter for automobile tune-ups eliminates the risk of damage to electronic ignition systems. Measures up to 2000 RPM.
POPULAR ELECTRONICS [1] May 1981 (v.19#5) pg. 75

Digital automotive tune-up meter. Use it to measure and adjust dwell, rpm, and voltage on your car, boat, cycle or lawn mower. Est. cost: $73.
POPULAR ELECTRONICS [1] May 1982 (v.20#5) pg. 37
Correction POPULAR ELECTRONICS [1] Jul 1982 (v.20#7) pg. 6
Correction COMPUTERS & ELECTRONICS Nov 1982 (v.20#11) pg. 6

Build a duty-cycle monitor. Use it to make real-time measurements of a waveform or pulse train's duty cycle or mark/space ratio. Circuit is based on the old-style, automotive dwell meter which performed a similar function at lower frequencies.
POPULAR ELECTRONICS [2] May 1997 (v.14#5) pg. 45

A $15 semiconductor pocket-size cam-dwell meter.
POPULAR MECHANICS Feb 1964 (v.121#2) pg. 196

How to use a tach-dwell meter for perfect tune-ups.
POPULAR MECHANICS Feb 1971 (v.135#2) pg. 126

Nine-in-one troubleshooter does the work of nine individual test meters by means of one universal meter coupled with six interchangeable test modules. Part 2. Automotive tachometer/dwell meter and multirange volt-ammeter.
POPULAR SCIENCE Mar 1966 (v.188#3) pg. 138

Auto-maintenance basics. Part 18. How to select and use a dwell tachometer.
POPULAR SCIENCE Sep 1977 (v.211#3) pg. 160

Digital dwell/tachometer. Suitable for 4-, 6-, and 8-cylinder cars. Measures up to 9999 rpm.
RADIO-ELECTRONICS Jul 1985 (v.56#7) pg. 55, 67

Plug-in adapter gives accurate readings at low rpm using your single range tachometer. Auxiliary full-scale meter of 5000, 1000, and 2500 rpm plugs into any pulse-driven transistorized electronic tachometer with an upper range of 8000 or 10,000 rpm. Makes low speed engine adjustments easier. Est. cost: $15.
RADIO-TV EXPERIMENTER Jun-Jul 1967 (v.22#3) pg. 67

Build a cam dwell meter for $16.
SCIENCE & MECHANICS #215 Mar 1963 (v.34#3) pg. 90

Dwell/tachometer to build. Estimated cost: $13.
SCIENCE & MECHANICS Special 1980 pg. 126