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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.


A combined resistor and capacitor substitution box. Provides 12 capacitor values from 470 pF to 100 uF.
CQ. THE RADIO AMATEUR'S JOURNAL Jan 1979 (v.35#1) pg. 32

Dial-up resistance substitution box lets you choose any value from 0 to 999,999 ohms (in 1-ohm steps) using thumbwheel dials.

Resistance substitution box goes from 1 to 1,111,110 ohms in 1-ohm steps.
ELECTRONICS ILLUSTRATED Mar 1964 (v.7#2) pg. 100

Mini resistor rack holds 20 of the most popular resistors. Use to make quick resistance changes when troubleshooting equipment. Est. cost: $3.
ELECTRONICS ILLUSTRATED Sep 1969 (v.12#5) pg. 38

Build your own audio test gear. Part 5. Building a resistor substitution box (1 ohm to 11.11 megohms). Est. cost: $70 (kit).
ELECTRONICS NOW Dec 1997 (v.68#12) pg. 28

Test-bench resistor box keeps 50 resistor always ready and safe from damage. Est. cost: $18.
ELEMENTARY ELECTRONICS Sep-Oct 1966 (v.3#1) pg. 86

Low-cost resistance decade. Universal decade box gives resistance of 1,2,3,...10,20,30 ohms. Est. cost: $3.
ELEMENTARY ELECTRONICS Jan-Feb 1967 (v.3#3) pg. 98

Instant patch box provides a shielded method of substituting resistance, capacitance or inductance into a circuit with a minimum of problems.
ELEMENTARY ELECTRONICS Sep-Oct 1973 (v.13#5) pg. 58

Resistance substitution box has three dials for setting values from 200 ohms to 1.1 megohms with 10% or less error. Est. cost: $5.
ELEMENTARY ELECTRONICS Jan-Feb 1974 (v.14#1) pg. 67

Resistance substitutions cube has 24 resistors that can be used singly or in series to produce all resistance values of 1 to 9 ohms and all multiples of 10 of these values through 100,000.
ELEMENTARY ELECTRONICS Mar-Apr 1974 (v.14#2) pg. 41

Resistor bank. Build a resistance substitution box with seven ranges covering 10 ohms to 68 Megohms. Est. cost: $33.
HANDS-ON ELECTRONICS Summer 1984 (v.2#1) pg. 48

Combination RC substitution box. Flip switches to substitute heavy-duty resistors or capacitors individually or in a series or in parallel networks. Range: 0-12,500 ohms.
POPULAR ELECTRONICS [1] Jan 1966 (v.24#1) pg. 82

Modification to the Heathkit Model IN-37 resistor substitution box provides more than 200 different values instead of 36.
POPULAR ELECTRONICS [1] Jul 1970 (v.33#1) pg. 74

Wheatstone bridge substitution box gives values from 1 to 999,999 ohms.
POPULAR ELECTRONICS [1] Feb 1971 (v.34#2) pg. 63

Resistance decade box uses rotary switches to overcome some problems with other units.
POPULAR ELECTRONICS [1] Mar 1971 (v.34#3) pg. 64

Build an active power R box. This circuit can convert any resistor, fixed or potentiometer, into 40-watt power resistors. Use it to simulate a wide range of load conditions when building and repairing power supplies.
POPULAR ELECTRONICS [1] Oct 1978 (v.14#4) pg. 69

Build a resistance capacitance substitution box. Provides resistances from 0.5 ohm to 20 megohms and capacitances from 5000 pF to 2 uF.
POPULAR ELECTRONICS [1] Apr 1982 (v.20#4) pg. 80

Dial-up resistance substitution box uses six thumbwheel switches to choose any resistor value from 0 to 999,999 ohms.
POPULAR ELECTRONICS [2] Mar 1989 (v.6#3) pg. 41

Variable resistor-substitution box uses one or more potentiometers in place of resistors.
POPULAR ELECTRONICS [2] May 1991 (v.8#5) pg. 77

Circuits for a resistance decade box that has six decades ranging from one ohm to one megohm.
RADIO-ELECTRONICS Jan 1986 (v.57#1) pg. 22

Resistance-capacitance decade box. Rotary switches let you vary resistance from 10 ohms to 11.111 megohms and capacitance from 100 uF to 10 pF. Est. cost: $130.
RADIO-ELECTRONICS Nov 1989 (v.60#11) pg. 39

Dial-a-ohm resistance substitution box.
RADIO-TV EXPERIMENTER #789 Jun-Jul 1966 (v.20#3) pg. 40

Pot Box. Twelve potentiometer values controlled by only four knobs through the use of 3-position, double-throw switches. Resistance from a few ohms to 10 megohms. Est. cost: $22.
RADIO-TV EXPERIMENTER Apr-May 1967 (v.22#2) pg. 92

Power resistor load box provides resistances from a fraction of an ohm to more than 3700 ohms, with a power rating in excess of 25 watts. A built-in current-monitoring meter, fuses and enough banana plugs for series, series/parallel, and parallel connections.
RADIO-TV EXPERIMENTER Feb-Mar 1968 (v.24#1) pg. 82