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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.

AM RADIO
sa   AM RADIO ACCESSORIES
sa   AM RADIO ANTENNA
sa   AM RADIO MAINTENANCE & REPAIR
sa   AM RADIO TRANSMITTER
sa   SINGLE-SIDEBAND RADIO
x   AMPLITUDE MODULATION RADIO
xx   RADIO

Tips on digital readouts for AM/FM tuners.
AUDIO AMATEUR 2/1980 [Mar 1980] (v.11#2) pg. 46
Added Info AUDIO AMATEUR 2/1983 [Jun 1983] (v.14#2) pg. 56

High-quality AM from a crystal radio. Design and construction of a mono receiver.
AUDIO AMATEUR 4/1992 [Dec 1992] (v.23#4) pg. 24

A simple, high-quality AM tube receiver.
AUDIOXPRESS Aug 2003 (v.34#8) pg. 6

Improve Dynaco's FM-5 FM tuner and AF-6 AM/FM tuner by adding IC voltage regulators. Also correct the low-frequency drop in the demodulated signal of the early model FM-5.
AUDIOXPRESS Aug 2003 (v.34#8) pg. 28

Build a simple AM radio receiver from magnet wire, a germanium diode, and an old telephone handset. Est. cost: $10.
BOYS' LIFE Aug 2002 (v.92#8) pg. 46

Two transistor, one IC receiver based upon a super-regenerative circuit. Works well with both wideband and narrowband FM as well as AM. Tuning range is from 88 to 210 MHz.
CQ. THE RADIO AMATEUR'S JOURNAL Dec 1995 (v.51#12) pg. 105, 110

Multi-modulation. Ideas for combining AM and FM modulation into an AM modulated FM carrier that contains both audio channels.
CQ. THE RADIO AMATEUR'S JOURNAL Jul 1997 (v.53#7) pg. 44

Broadcast-band RF amplifier circuit improves AM radio reception in low- and mid-priced receivers.
ELECTRONICS EXPERIMENTERS HANDBOOK 1989 pg. 156

One-tube breadboard radio designed for high-fidelity AM reception.
ELECTRONICS HOBBYISTS HANDBOOK Spring 1995 pg. 78

A super portable with lots of volume. Est. cost: $30.
ELECTRONICS ILLUSTRATED Jul 1963 (v.6#4) pg. 58

Two-watt mini amplifier for small portables.
ELECTRONICS ILLUSTRATED Jul 1963 (v.6#4) pg. 86

Four-tube receiver built into bookends.
ELECTRONICS ILLUSTRATED Jul 1964 (v.7#4) pg. 38

One-tube receiver uses compactron tube.
ELECTRONICS ILLUSTRATED Sep 1964 (v.7#5) pg. 32

Simple receiver uses Motorola integrated circuit.
ELECTRONICS ILLUSTRATED Mar 1965 (v.8#2) pg. 34

Radio receiver using one field-effect transistor (FET) producing good headphone volume. FET theory explained.
ELECTRONICS ILLUSTRATED Sep 1966 (v.9#5) pg. 49

Three basic radios for beginners. (1) crystal radio, (2)amplified crystal radio, and (3) regenerative radio.
ELECTRONICS ILLUSTRATED Nov 1966 (v.9#6) pg. 94

One-tube all-bander. A low-cost, high-performance receiver for the listener on a budget. Operating frequency is changed by plugging in a different coil for each band 15, 20, 31, 40, 80, and 160 meters plus the broadcast band.
ELECTRONICS ILLUSTRATED Jan 1967 (v.10#1) pg. 65

Broadcast band preamplifier adds 20 to 40 dB to pull in more distant signals.
ELECTRONICS ILLUSTRATED Mar 1969 (v.12#2) pg. 56

One-station receiver built into the wooden enclosure of a 6" speaker. One knob turns set on and controls volume. Tuner is preset to a favorite station.
ELECTRONICS ILLUSTRATED Jul 1970 (v.13#4) pg. 41

Tips on making an operating AM receiver using a Plessey ZN414 IC, a simple power supply and a hand-wound coil.
ELECTRONICS NOW Dec 1995 (v.66#12) pg. 8

Circuit for a regenerative AM receiver (circa 1962) has been upgraded to use parts that are commonly available today (circa 1997).
ELECTRONICS NOW Jul 1997 (v.68#7) pg. 8
Added Info ELECTRONICS NOW Nov 1997 (v.68#11) pg. 8
Correction ELECTRONICS NOW Mar 1998 (v.69#3) pg. 6

Percentage modulation nomogram. A simplified method of determining the percentage of amplitude modulation by use of a straightedge.
ELECTRONICS WORLD Jan 1967 (v.77#1) pg. 31

Beginner's special. Four-transistor regenerative receiver and 3-transistor audio amplifier covers entire broadcast band .55 to 1.6 mc. Est. cost: $12.
ELEMENTARY ELECTRONICS Nov-Dec 1966 (v.3#2) pg. 35

A radio in a tin can serves as the base for a table or desk lamp. Radio uses one tube and is housed in a tobacco-size can. A 117-volt light socket and lamp shade complete the lamp. Est. cost: $16.
ELEMENTARY ELECTRONICS Jan-Feb 1967 (v.3#3) pg. 92

Single-tube superhet broadcast receiver.
ELEMENTARY ELECTRONICS Jan-Feb 1970 (v.9#3) pg. 39

Superheterodyne radio circuits. How they work.
ELEMENTARY ELECTRONICS Nov-Dec 1970 (v.10#5) pg. 45

High-voltage, two-transistor broadcast band regenerative radio operates off AC power.
ELEMENTARY ELECTRONICS May-Jun 1971 (v.11#2) pg. 29

One diode and capacitor added to any AM detector will nearly double the output. Can also be used on CB, shortwave or crystal sets.
ELEMENTARY ELECTRONICS May-Jun 1973 (v.13#3) pg. 69

Build a TRF (tuned radio frequency) radio that uses an integrated circuit. This receiver is highly selective in its ability to separate stations and deliver a full measure of low-distortion sound. Powered by a 1-1/2 volt battery, you can operate the radio 24 hours a day for 90 days.
ELEMENTARY ELECTRONICS Sep-Oct 1973 (v.13#5) pg. 31

AM broadcast band receiver with built-in two-channel crystal controlled VHF receiver. Can be used as a BCB radio, a VHF scanner, or a BC radio with a VHF override.
ELEMENTARY ELECTRONICS Nov-Dec 1973 (v.13#6) pg. 67

This broadcast band receiver uses a soild-state device called a Varactor diode for tuning instead of a larger tuning capacitor.
ELEMENTARY ELECTRONICS Jan-Feb 1974 (v.14#1) pg. 31

Build an antique antenna-less 1-tube regen receiver. A model maker's delight that actually works.
ELEMENTARY ELECTRONICS May-Jun 1974 (v.14#3) pg. 81

Beginner's field effect integrated circuit broadcast band AM receiver. Tunes from 550 kHz to 1600 kHz using a modern version of the regenerative receiver. Powered by two #6 dry cells (1 1/2 volts each).
ELEMENTARY ELECTRONICS Jul-Aug 1975 (v.15#4) pg. 71

The theory and physics of radio waves, carrier waves and AM and FM modulation.
ELEMENTARY ELECTRONICS Jan-Feb 1976 (v.16#1) pg. 65

The theory and physics of radio sidebands.
ELEMENTARY ELECTRONICS Mar-Apr 1976 (v.16#2) pg. 73

Breadboard AM receiver is a one-tube unit based on the depression-days design. Uses a 27 tube, hand-wound coils, homemade capacitors and earphones.
ELEMENTARY ELECTRONICS Jan-Feb 1978 (v.18#1) pg. 44

Signal snare, an easy-to-build one-transistor reflex receiver. Powered by 6-volt lantern battery and requires headphones.
ELEMENTARY ELECTRONICS May-Jun 1979 (v.19#3) pg. 46

Solar powered AM radio receiver is encased inside an old vacuum tube. The tube and tuning capacitor are mounted on a decorative wooden base.
ELEMENTARY ELECTRONICS May-Jun 1979 (v.19#3) pg. 65

Build this one-tube regenerative receiver, a broadcast band receiver design from the early days of radio.
ELEMENTARY ELECTRONICS Nov-Dec 1980 (v.20#6) pg. 45

Vintage glass. Schematic of the Scott 800-B AM/FM main receiver chassis and power supply
GLASS AUDIO 4/1993 (v.5#4) pg. 48

How to build a 1920's style wireless receiver.
HANDS-ON ELECTRONICS Fall 1984 (v.2#2) pg. 22
Added Info HANDS-ON ELECTRONICS Winter 1985 (v.2#3) pg. 21

Add a digital dial. Add an accurate, digital-tuning indicator to an inexpensive or antique radio to read out AM and FM received frequencies.
HANDS-ON ELECTRONICS Summer 1985 (v.2#5) pg. 79

Circuit for a "Super-Simple-Dyne" broadcast receiver incorporates a 4001A CMOS quad 2-input NOR gate IC.
HANDS-ON ELECTRONICS Nov 1986 (v.3#6) pg. 92

Circuit for a phase-locked loop broadcast receiver.
HANDS-ON ELECTRONICS Dec 1986 (v.3#7) pg. 22

AM-3 walkabout radio. "Walkman" style miniature AM radio does not compromise sound quality. Requires only a single 1.5-volt AA cell. Est. cost: $25.
HANDS-ON ELECTRONICS Jan 1987 (v.4#1) pg. 73

Circuit for an ultra-simple, broadcast band, super-regenerative receiver that's capable of picking up a number of local stations using nothing more than a two-foot hank of hook-up wire.
HANDS-ON ELECTRONICS Apr 1987 (v.4#4) pg. 89

Grandpa's antique radio. Make and enjoy a reproduction of an early 1920's two-tube regenerative radio which actually performs by using solid-state devices.
HANDS-ON ELECTRONICS Oct 1987 (v.4#10) pg. 30
Correction HANDS-ON ELECTRONICS Feb 1988 (v.5#2) pg. 6
Correction HANDS-ON ELECTRONICS May 1988 (v.5#5) pg. 6

Old time radio receiver circuit consists of a Hartley Oscillator (built around a type 30 triode), tickler coil, and earphones.
HANDS-ON ELECTRONICS Nov 1987 (v.4#11) pg. 93

Modulation and demodulation, the process used in virtually every type of communications system for transfering information. Basic concepts of AM and FM modulation. Experiments include building modulator and demodulator circuits.
HANDS-ON ELECTRONICS Dec 1987 (v.4#12) pg. 79

Single transistor BC radio circuit is powered by RF power cells.
HANDS-ON ELECTRONICS Dec 1988 (v.5#12) pg. 82

Super-sensitive BC receiver can pull in stations using just a 3-ft. antenna. Operates on 1.2 to 1.6 volts.
HANDS-ON ELECTRONICS Dec 1988 (v.5#12) pg. 83

One-transistor model uses battery and phone.
MECHANIX ILLUSTRATED #418 Mar 1963 (v.59) pg. 104

One-tube receiver is easy to build.
MECHANIX ILLUSTRATED #439 Dec 1964 (v.60) pg. 92

Microcircuit receiver uses integrated circuits by Motorola.
MECHANIX ILLUSTRATED #441 Feb 1965 (v.61) pg. 114

Mini modules: great fun for hobbyists. A look at an AM radio you can build using mini modules.
MECHANIX ILLUSTRATED #547 Dec 1973 (v.69) pg. 58

A basic three-tube you can build. Uses the tuned frequency circuit. Est. cost: $20.
MECHANIX ILLUSTRATED #552 May 1974 (v.70) pg. 110

Build a hi-fi quality AM radio receiver. Features a quality speaker, integrated circuit electronics and a decorative wooden cabinet. Est. cost: $40.
MECHANIX ILLUSTRATED #581 Oct 1976 (v.72) pg. 84

Easy-to-build CMOS radio receiver. Learn how to handle CMOS integrated circuits while constructing this unit. Powered by a 9-volt battery.
MODERN ELECTRONICS [1] Sep 1978 (v.1#7) pg. 40

Why SSB? Understanding the differences and similarities between AM and SSB radios.
MODERN ELECTRONICS [1] Dec 1978 (v.1#9) pg. 64

Tuner specs and what they mean. Examining manufacturers' tuners or the tuner sections of receivers.
MODERN ELECTRONICS [2] Jun 1986 (v.3#6) pg. 44

Radio-on-a-chip. Build a TRF (tuned radio-frequency) radio with a tiny IC (ZN414) that contains most components needed. Tunes stations from 550 to 1600 kHz on the AM broadcast band.
MODERN ELECTRONICS [2] Jul 1986 (v.3#7) pg. 39

Mixing frequencies. Photos help explain complex linear mixing to amateur radio operators and others. Helps explain AM radio and sidebands.
MODERN ELECTRONICS [2] Mar 1988 (v.5#3) pg. 30

Forgotten modulation methods. Understanding amplitude modulation (AM), single sideband (SSB), amplitude compandered sideband (ACSB) and Regency modulation.
POPULAR COMMUNICATIONS Jan 1994 (v.12#5) pg. 42

Diagrams of two 2-transistor AM receiver circuits.
POPULAR ELECTRONICS [1] Feb 1964 (v.20#2) pg. 81, 82

Improve the sensitivity of a small receiver.
POPULAR ELECTRONICS [1] Jun 1964 (v.20#6) pg. 56

Transistorized broad-band receiver circuit.
POPULAR ELECTRONICS [1] Oct 1964 (v.21#4) pg. 64

Improving audio quality on inexpensive receivers.
POPULAR ELECTRONICS [1] Nov 1964 (v.21#5) pg. 82

Miniature transistor superheterodyne broadcast-band radio.
POPULAR ELECTRONICS [1] Dec 1964 (v.21#6) pg. 49

Mechanical filter sharpens bandwidth for optimum reception of AM, CW, SSB, and CB.
POPULAR ELECTRONICS [1] Aug 1965 (v.23#2) pg. 53

Two-transistor "all-wave" radio receiver circuit.
POPULAR ELECTRONICS [1] Nov 1965 (v.23#5) pg. 79

Circuit of a basic one-transistor TRF receiver consisting only of antenna, tuned circuit, headphone and battery. Successive circuits show additions to the basic circuit to improve quality of reception.
POPULAR ELECTRONICS [1] Jan 1966 (v.24#1) pg. 73

Simple receiver circuit features greater efficiency from full-wave detection of an AM radio frequency wave. Circuit uses antenna, tuned circuit, diodes, capacitor and headphone.
POPULAR ELECTRONICS [1] Nov 1966 (v.25#5) pg. 83

The FET set. A battery powered BCB regenerative receiver uses a field-effect transistor (FET). Plays for one year on a 6-volt battery. Est. cost: $10-$15.
POPULAR ELECTRONICS [1] May 1967 (v.26#5) pg. 27

Build a stacked-antenna AM radio. Battery powered unit uses two loopstick antennas. Est. cost: $5.
POPULAR ELECTRONICS [1] May 1967 (v.26#5) pg. 40

Convert an inexpensive AM transistor radio into a tuner which you play through your hi-fi amplifier. This will improve the quality of the sound. Est. cost: $ .25
POPULAR ELECTRONICS [1] Jun 1967 (v.26#6) pg. 43

Beginners FET regen receiver. Regenerative receiver uses a field-effect transistor and tunes in DX as well as local broadcast stations. Uses three changeable coils covering 0.55 to 1.5 MHz, 1.7 to 5.5 MHz, and 5.5 MHz to 18 MHz. Powered by a 9-volt battery. Est. cost: $25-$32.
POPULAR ELECTRONICS [1] Sep 1967 (v.27#3) pg. 40

Circuit for an AM receiver which uses no power source and one transistor.
POPULAR ELECTRONICS [1] Oct 1968 (v.29#4) pg. 78

High-quality, solid-state broadcast band tuner for hi-fi rigs.
POPULAR ELECTRONICS [1] Jan 1969 (v.30#1) pg. 43

Regenerative AM broadcast band tuner employs a varicap diode in place of the common ganged capacitor.
POPULAR ELECTRONICS [1] May 1969 (v.30#5) pg. 76

Simple broadcast band receiver demonstrates the use of a field-effect transistor (FET) as an RF amplifier.
POPULAR ELECTRONICS [1] Dec 1969 (v.31#6) pg. 57

Three-transistor regenerative receiver circuit.
POPULAR ELECTRONICS [1] Jan 1970 (v.32#1) pg. 84

Circuit for a broadcast band receiver that has a reflex front end and IC op amp audio amplifier.
POPULAR ELECTRONICS [1] May 1977 (v.11#5) pg. 78

The op-amp AM radio receiver. One circuit requires no external power supply and must be used with earphones. The second circuit is powered by a 9-volt battery.
POPULAR ELECTRONICS [1] Dec 1980 (v.18#6) pg. 89

Build a synchronous detector for AM radio. Improves frequency response and removes distortion.
POPULAR ELECTRONICS [1] Apr 1982 (v.20#4) pg. 61
Correction POPULAR ELECTRONICS [1] Jul 1982 (v.20#7) pg. 6

Miniature BC (AM broadcast band) receiver circuit uses a ferrite loopstick as the antenna which is tuned by a variable capacitor.
POPULAR ELECTRONICS [2] Feb 1989 (v.6#2) pg. 24

Radio receiver is powered by sunlight or a bright lamp. The circuit is built around a ZN414 integrated circuit.
POPULAR ELECTRONICS [2] Feb 1989 (v.6#2) pg. 26

Cummings Solodyne. Learn all about the one-tube, one-battery circuit, no larger than today's transistor radios, that was made obscure before its time.
POPULAR ELECTRONICS [2] Aug 1989 (v.6#8) pg. 73

BC "hearing aid" is really a miniature radio that is built to resemble a hearing aid.
POPULAR ELECTRONICS [2] Oct 1989 (v.6#10) pg. 22

RF enhancement circuits designed to breath new life into older shortwave receivers, or to pull in a DX broadcast station from across the country on a generic AM radio. (1) Signal-grabber. (2) Signal booster. (3) Tunable trap. (4) Signal scrubber. (5) VLF converter.
POPULAR ELECTRONICS [2] Mar 1990 (v.7#3) pg. 84

Solid-state version of the popular reflex-radio circuit of the 1920's.
POPULAR ELECTRONICS [2] May 1990 (v.7#5) pg. 85

Regenerative receiver is a solid-state version of the extremely popular tube-type built by so many hobbyists over the years.
POPULAR ELECTRONICS [2] May 1990 (v.7#5) pg. 96

TRF radio circuit uses a single chip which includes three stages of RF amplification and a detector.
POPULAR ELECTRONICS [2] Aug 1990 (v.7#8) pg. 24

Super-Simple Shortwave Receiver. A single-conversion superheterodyne designed for listening to AM broadcast stations in the range of 4- to 10-MHz (75- to 30-meters). This receiver can tune any 2.5-MHz portion of the 4- to 10-MHz shortwave radio band you select. Est. cost: $30 (kit).
POPULAR ELECTRONICS [2] Aug 1993 (v.10#8) pg. 31
Correction POPULAR ELECTRONICS [2] Nov 1993 (v.10#11) pg. 3

Easy-to-build AM receiver circuits. (1) Basic circuit. (2) Amplified-output receiver. (3) Very low frequency tuner. (4) IF amplifier. (5) Voltage control (regulator) for a 6-volt source.
POPULAR ELECTRONICS [2] Aug 1993 (v.10#8) pg. 70

Build a one-tube AM receiver for high-fidelity listening. Powered by batteries.
POPULAR ELECTRONICS [2] Oct 1994 (v.11#10) pg. 62

Build a preselector to improve the reception on the AM broadcast band.
POPULAR ELECTRONICS [2] Apr 1995 (v.12#4) pg. 56

Build the magic eye tuning indicator for an AM radio, like those found on 1940s radios.
POPULAR ELECTRONICS [2] Dec 1995 (v.12#12) pg. 67

Secondary uses for Tesla coils. (1) Simple AM radio receiver. (2) Lightning indicator uses an LED bargraph to show signal strength.
POPULAR ELECTRONICS [2] Apr 1996 (v.13#4) pg. 77
Correction POPULAR ELECTRONICS [2] Jul 1996 (v.13#7) pg. 6

Low-distortion, low-level amplitude modulator (AM) circuit.
POPULAR ELECTRONICS [2] May 1998 (v.15#5) pg. 56

An 8-transistor set that can be built in 30 minutes.
POPULAR MECHANICS Apr 1963 (v.119#4) pg. 135

Stereo and AM radio in a suitcase for $48.
POPULAR MECHANICS Jun 1963 (v.119#6) pg. 116

A five-way radio breadboard includes a wireless mike, touch alarm, code transmitter, phono oscillator, and AM receiver.
POPULAR MECHANICS Apr 1965 (v.123#4) pg. 196

A 6-transistor, battery powered receiver has two IF stages and no IF transformers.
POPULAR MECHANICS Dec 1965 (v.124#6) pg. 176

Build a 1-transistor autogen radio which will tune up to nine local stations by flipping a selector switch. Also provides complete manual selection.
POPULAR MECHANICS Sep 1966 (v.126#3) pg. 169

Build an AM/FM frequency display. Part 1. Gives you a digital readout of the frequency on which your receiver is set. It also displays the time of day. Unit is crystal controlled for accuracy. Est. cost: $45.
RADIO-ELECTRONICS Jan 1978 (v.49#1) pg. 21
Correction RADIO-ELECTRONICS Jul 1978 (v.49#7) pg. 22

Build an AM/FM frequency display. Part 2.
RADIO-ELECTRONICS Apr 1978 (v.49#4) pg. 46

Broadcast-band RF amplifier circuit can be added to a low- to mid-priced receiver or car radio to improve AM reception.
RADIO-ELECTRONICS Mar 1987 (v.58#3) pg. 42

All-band VHF receiver. Tune police, fire, aircraft, weather, FM, CB, AM, etc. Est. cost: $24.
RADIO-TV EXPERIMENTER #814 Dec 1966-Jan 1967 (v.21#3) pg. 45

BCB 2 for beginners. Full-fledged superhet with only two tubes. Est. cost: $18.
RADIO-TV EXPERIMENTER Oct-Nov 1967 (v.23#2) pg. 67

Variometer radio. Modern version of a radio first used in the 1920's.
RADIO-TV EXPERIMENTER Dec 1967-Jan 1968 (v.23#3) pg. 47

Pocket-size portable radio has unusual sensitivity and selectivity.
RADIO-TV EXPERIMENTER Dec 1968-Jan 1969 (v.25#3) pg. 73

Increase broadcast band sensitivity with a battery-powered preamp with amplification provided by a field-effect transistor. Will provide a nominal 6- to 12-dB gain (1 to 2 S units). Est. cost: $10.
RADIO-TV EXPERIMENTER Feb-Mar 1969 (v.26#1) pg. 57

Two-tube broadcast band receiver uses a reflex circuit. Constructed on two identical chassis, one containing the power supply which employs a conventional half-wave circuit, using a silicon diode and RC filtering, and the other chassis holding an untuned RF breadboard amplifier.
RADIO-TV EXPERIMENTER Jun-Jul 1969 (v.26#3) pg. 37

Build a transistor radio into the base of an old-fashioned horn loudspeaker.
SCIENCE & ELECTRONICS [1] Dec 1969-Jan 1970 (v.27#3) pg. 75

Easy-to-build, integrated circuit, low frequency, regen receiver tunes from 80-kHz to 420-kHz. Uses plug-in coils.
SCIENCE & ELECTRONICS [1] Aug-Sep 1970 (v.28#4) pg. 59

BCB project lets you construct a reflex circuit and a universal B-plus power supply.
SCIENCE & ELECTRONICS [1] Dec 1970-Jan 1971 (v.28#6) pg. 61

Multiband VHF receiver will tune from 26 to 185 MHz by plugging in one of five coils. Est. cost: $24.
SCIENCE & MECHANICS May 1968 (v.39#5) pg. 77

Spider web radio receiver you can build. Uses interchangeable spiderweb coils to cover three bands (7 MHz to 14 MHz, 1.7 MHz to 5 MHz, and .55 MHz to 1.6 MHz). Design incorporates a FET regenerative detector circuit and an audio stage which uses a pnp transistor to drive a pair of headphones. Powered by a 6-volt lantern battery.
SCIENCE & MECHANICS Fall-Winter 1978 pg. 60

How to make an electrochemical cell. A voltaic pile and two fuel cells (one using hydrogen and one using alcohol). Also, a circuit for a cell-powered radio receiver.
SCIENTIFIC AMERICAN Nov 1967 (v.217#5) pg. 131