List of Typos corrected in the 2nd Edition

Here are some typographical errors pointed out by readers. You might like to amend your copy.

p7 third bullet: ....a drop or two of WD40 to every fastener.....

p7 last bullet: ....A set of Allen...

p26 2nd paragraph: ....the 'pencil scale' shown below will come.....

p32 1st paragraph: ....4µF and showed no signs of leakage.

p35 3rd paragraph: ....capacitor (L21 only), .... [remove space before comma]

p48 lower diagram, top shaded resistor is R46, the scan may make it appear to be R45

p50 lower diagram: C12 is actually 0.1µF not 0.01µF as shown

p55 in the list of potentiometers, R23 is the Meter Amplitude control, not Balance

p97 2nd paragraph: ....seems to work reasonably well.

p99 2nd paragraph, last sentence: delete the words the screw

p118 last paragraph: the two references to S2 should both be S3

p119 wiring schedules, three references to S2 should all be S3

p136 last paragraph: ...is described in Section 4.12, leave....

p140 1st paragraph: ....different, just pro-rata the values...

p144 2nd paragraph: ....Jones socket pin and then clipped....

p144 3 paragraph: ....Then as before,....