An interesting old Coil

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An interesting old Coil

Alan Douglas

Rest in Peace

Posts: 378
Location: Cape Cod, Massachusetts

#42

05-04-2015, 11:19 AM

The November 1927 Modern Wireless has a lengthy article on a superhet using Peto-Scott split-primary coils. In some previous ads, "Copex" was applied to screening boxes, coil cans, and the six-pin sockets.

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Messages In This Thread

An interesting old Coil - by AlanBeckett - 17-01-2015, 10:57 PM

RE: An interesting old Coil - by pwdrive - 18-01-2015, 08:01 AM

RE: An interesting old Coil - by Yorkie - 18-01-2015, 10:41 AM

RE: An interesting old Coil - by AlanBeckett - 18-01-2015, 10:51 AM

RE: An interesting old Coil - by John M0GLN - 18-01-2015, 12:36 PM

RE: An interesting old Coil - by AlanBeckett - 18-01-2015, 12:56 PM

RE: An interesting old Coil - by Ed_Dinning - 18-01-2015, 08:10 PM

RE: An interesting old Coil - by AlanBeckett - 18-01-2015, 08:32 PM

RE: An interesting old Coil - by Skywave - 18-01-2015, 08:45 PM

RE: An interesting old Coil - by pwdrive - 19-01-2015, 07:06 AM

RE: An interesting old Coil - by pwdrive - 19-01-2015, 12:00 PM

RE: An interesting old Coil - by Skywave - 19-01-2015, 02:40 PM

RE: An interesting old Coil - by pwdrive - 19-01-2015, 04:23 PM

RE: An interesting old Coil - by AlanBeckett - 19-01-2015, 06:32 PM

RE: An interesting old Coil - by pwdrive - 20-01-2015, 03:54 PM

RE: An interesting old Coil - by pwdrive - 19-01-2015, 07:09 PM

RE: An interesting old Coil - by AlanBeckett - 19-01-2015, 08:19 PM

RE: An interesting old Coil - by Alan Douglas - 19-01-2015, 09:29 PM

RE: An interesting old Coil - by AlanBeckett - 19-01-2015, 09:54 PM

RE: An interesting old Coil - by Alan Douglas - 19-01-2015, 11:20 PM

RE: An interesting old Coil - by Skywave - 19-01-2015, 11:37 PM

RE: An interesting old Coil - by AlanBeckett - 19-01-2015, 11:47 PM

RE: An interesting old Coil - by AlanBeckett - 20-01-2015, 04:18 PM

RE: An interesting old Coil - by pwdrive - 20-01-2015, 04:31 PM

RE: An interesting old Coil - by Yorkie - 20-01-2015, 05:28 PM

RE: An interesting old Coil - by pwdrive - 20-01-2015, 04:28 PM

RE: An interesting old Coil - by AlanBeckett - 20-01-2015, 07:20 PM

RE: An interesting old Coil - by Alan Douglas - 21-01-2015, 02:09 PM

RE: An interesting old Coil - by AlanBeckett - 01-04-2015, 07:57 PM

RE: An interesting old Coil - by pwdrive - 01-04-2015, 09:01 PM

RE: An interesting old Coil - by Alan Douglas - 02-04-2015, 02:02 AM

RE: An interesting old Coil - by AlanBeckett - 02-04-2015, 07:52 AM

RE: An interesting old Coil - by AlanBeckett - 02-04-2015, 07:54 AM

RE: An interesting old Coil - by Refugee - 02-04-2015, 09:04 AM

RE: An interesting old Coil - by pwdrive - 02-04-2015, 05:57 PM

RE: An interesting old Coil - by AlanBeckett - 04-04-2015, 08:31 PM

RE: An interesting old Coil - by pwdrive - 04-04-2015, 09:13 PM

RE: An interesting old Coil - by AlanBeckett - 04-04-2015, 10:30 PM

RE: An interesting old Coil - by AlanBeckett - 04-04-2015, 10:52 PM

RE: An interesting old Coil - by pwdrive - 05-04-2015, 08:23 AM

RE: An interesting old Coil - by Alan Douglas - 04-04-2015, 10:52 PM

RE: An interesting old Coil - by Alan Douglas - 05-04-2015, 11:19 AM

RE: An interesting old Coil - by AlanBeckett - 05-04-2015, 12:42 PM

RE: An interesting old Coil - by AlanBeckett - 08-04-2015, 11:37 PM

RE: An interesting old Coil - by Alan Douglas - 09-04-2015, 01:01 PM

RE: An interesting old Coil - by AlanBeckett - 09-04-2015, 01:15 PM

RE: An interesting old Coil - by AlanBeckett - 22-04-2015, 08:42 PM

RE: An interesting old Coil - by AlanBeckett - 22-04-2015, 08:49 PM

RE: An interesting old Coil - by Alan Douglas - 22-04-2015, 11:47 PM

RE: An interesting old Coil - by AlanBeckett - 23-04-2015, 08:42 AM

RE: An interesting old Coil - by Refugee - 23-04-2015, 09:56 AM

RE: An interesting old Coil - by AlanBeckett - 23-04-2015, 10:04 AM

RE: An interesting old Coil - by Mark Hennessy - 23-04-2015, 03:41 PM

RE: An interesting old Coil - by Refugee - 23-04-2015, 05:23 PM

RE: An interesting old Coil - by AlanBeckett - 23-04-2015, 05:23 PM

RE: An interesting old Coil - by AlanBeckett - 23-04-2015, 05:58 PM

RE: An interesting old Coil - by Alan Douglas - 23-04-2015, 10:15 PM

RE: An interesting old Coil - by Mark Hennessy - 23-04-2015, 11:37 PM

RE: An interesting old Coil - by Mark Hennessy - 23-04-2015, 11:48 PM

RE: An interesting old Coil - by AlanBeckett - 24-04-2015, 08:57 AM

RE: An interesting old Coil - by Mark Hennessy - 24-04-2015, 09:35 AM

RE: An interesting old Coil - by AlanBeckett - 28-05-2015, 09:24 AM

RE: An interesting old Coil - by AlanBeckett - 08-06-2015, 07:58 PM

RE: An interesting old Coil - by pwdrive - 09-06-2015, 08:21 AM

RE: An interesting old Coil - by AlanBeckett - 09-06-2015, 11:08 AM

RE: An interesting old Coil - by pwdrive - 09-06-2015, 12:46 PM

RE: An interesting old Coil - by AlanBeckett - 09-06-2015, 01:14 PM

RE: An interesting old Coil - by pwdrive - 09-06-2015, 01:34 PM

RE: An interesting old Coil - by AlanBeckett - 09-06-2015, 05:48 PM

RE: An interesting old Coil - by pwdrive - 09-06-2015, 06:09 PM

RE: An interesting old Coil - by pwdrive - 09-06-2015, 06:15 PM

RE: An interesting old Coil - by AlanBeckett - 09-06-2015, 06:31 PM

RE: An interesting old Coil - by pwdrive - 09-06-2015, 06:51 PM

RE: An interesting old Coil - by AlanBeckett - 09-06-2015, 09:21 PM

RE: An interesting old Coil - by unrealdave - 02-09-2015, 06:00 PM

RE: An interesting old Coil - by AlanBeckett - 02-09-2015, 06:56 PM

RE: An interesting old Coil - by unrealdave - 03-09-2015, 08:30 AM

RE: An interesting old Coil - by Yorkie - 03-09-2015, 09:17 AM

RE: An interesting old Coil - by Radio Fixer - 05-09-2015, 07:37 AM

RE: An interesting old Coil - by AlanBeckett - 06-09-2015, 07:00 PM

RE: An interesting old Coil - by AlanBeckett - 06-09-2015, 07:11 PM

RE: An interesting old Coil - by pwdrive - 06-09-2015, 08:05 PM

RE: An interesting old Coil - by AlanBeckett - 06-09-2015, 08:20 PM

RE: An interesting old Coil - by pwdrive - 06-09-2015, 08:27 PM

RE: An interesting old Coil - by Refugee - 06-09-2015, 09:25 PM

RE: An interesting old Coil - by Alan Douglas - 08-09-2015, 12:32 AM

RE: An interesting old Coil - by unrealdave - 10-09-2015, 02:07 PM

RE: An interesting old Coil - by unrealdave - 10-09-2015, 02:08 PM

RE: An interesting old Coil - by unrealdave - 10-09-2015, 02:11 PM

RE: An interesting old Coil - by AlanBeckett - 10-09-2015, 07:15 PM

RE: An interesting old Coil - by AlanBeckett - 10-09-2015, 09:22 PM

RE: An interesting old Coil - by Joe - 10-09-2015, 09:48 PM

RE: An interesting old Coil - by Alan Douglas - 10-09-2015, 09:59 PM

RE: An interesting old Coil - by unrealdave - 10-09-2015, 10:06 PM

RE: An interesting old Coil - by AlanBeckett - 10-09-2015, 10:06 PM

RE: An interesting old Coil - by Alan Douglas - 10-09-2015, 10:19 PM

RE: An interesting old Coil - by unrealdave - 11-09-2015, 01:47 PM

RE: An interesting old Coil - by ppppenguin - 11-09-2015, 01:53 PM

RE: An interesting old Coil - by unrealdave - 11-09-2015, 02:07 PM

RE: An interesting old Coil - by ppppenguin - 11-09-2015, 02:57 PM

RE: An interesting old Coil - by unrealdave - 11-09-2015, 06:21 PM

RE: An interesting old Coil - by AlanBeckett - 20-12-2015, 12:50 PM

RE: An interesting old Coil - by unrealdave - 20-12-2015, 02:55 PM

RE: An interesting old Coil - by pwdrive - 20-12-2015, 03:15 PM

RE: An interesting old Coil - by Yorkie - 20-12-2015, 10:48 PM

RE: An interesting old Coil - by AlanBeckett - 21-12-2015, 12:08 AM

RE: An interesting old Coil - by AlanBeckett - 20-12-2015, 06:00 PM

RE: An interesting old Coil - by AlanBeckett - 21-12-2015, 10:03 PM

RE: An interesting old Coil - by pwdrive - 28-12-2015, 12:09 PM

RE: An interesting old Coil - by AlanBeckett - 21-12-2015, 10:48 PM

RE: An interesting old Coil - by pwdrive - 22-12-2015, 12:10 AM

RE: An interesting old Coil - by AlanBeckett - 22-12-2015, 10:42 AM

RE: An interesting old Coil - by pwdrive - 22-12-2015, 10:57 AM

RE: An interesting old Coil - by AlanBeckett - 22-12-2015, 03:20 PM

RE: An interesting old Coil - by AlanBeckett - 24-12-2015, 07:39 PM

RE: An interesting old Coil - by AlanBeckett - 28-12-2015, 01:30 PM

RE: An interesting old Coil - by pwdrive - 05-01-2016, 06:15 PM

RE: An interesting old Coil - by AlanBeckett - 05-01-2016, 08:29 PM

RE: An interesting old Coil - by pwdrive - 06-01-2016, 09:43 AM

RE: An interesting old Coil - by AlanBeckett - 06-01-2016, 11:10 AM

RE: An interesting old Coil - by pwdrive - 06-01-2016, 11:21 AM

RE: An interesting old Coil - by AlanBeckett - 06-01-2016, 11:28 AM

RE: An interesting old Coil - by AlanBeckett - 08-01-2016, 09:30 PM

RE: An interesting old Coil - by pwdrive - 08-01-2016, 10:18 PM

RE: An interesting old Coil - by AlanBeckett - 08-01-2016, 10:25 PM

RE: An interesting old Coil - by pwdrive - 08-01-2016, 11:03 PM

RE: An interesting old Coil - by pwdrive - 08-01-2016, 11:08 PM

RE: An interesting old Coil - by pwdrive - 09-01-2016, 10:31 PM

RE: An interesting old Coil - by AlanBeckett - 09-01-2016, 11:07 PM

RE: An interesting old Coil - by pwdrive - 09-01-2016, 11:56 PM

RE: An interesting old Coil - by AlanBeckett - 10-01-2016, 09:51 AM

RE: An interesting old Coil - by pwdrive - 10-01-2016, 10:34 AM

RE: An interesting old Coil - by AlanBeckett - 10-01-2016, 10:53 AM

RE: An interesting old Coil - by pwdrive - 10-01-2016, 11:38 AM

RE: An interesting old Coil - by pwdrive - 10-01-2016, 12:20 PM

RE: An interesting old Coil - by AlanBeckett - 10-01-2016, 01:06 PM

RE: An interesting old Coil - by pwdrive - 10-01-2016, 01:19 PM

RE: An interesting old Coil - by AlanBeckett - 10-01-2016, 03:19 PM

RE: An interesting old Coil - by pwdrive - 21-01-2016, 11:12 AM

RE: An interesting old Coil - by unrealdave - 22-01-2016, 11:39 AM

RE: An interesting old Coil - by pwdrive - 22-01-2016, 05:35 PM

RE: An interesting old Coil - by AlanBeckett - 22-01-2016, 06:09 PM

RE: An interesting old Coil - by AlanBeckett - 22-01-2016, 06:20 PM

RE: An interesting old Coil - by unrealdave - 22-01-2016, 08:11 PM

RE: An interesting old Coil - by AlanBeckett - 22-01-2016, 08:37 PM

RE: An interesting old Coil - by unrealdave - 30-01-2016, 10:51 PM

RE: An interesting old Coil - by AlanBeckett - 30-01-2016, 11:21 PM

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