http://uk.groups.yahoo.com/group/eddystone_radio_users/ Eddystone Radio Users Forum Sat, 21 Nov 2009 12:19:36 GMT ian nutt http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1691 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1691 Al, The dial glass should be "glass", not perspex and should be about 3/16ths inch thick. The glass should be retained at the bottom by the "lip" on the scale Sat, 21 Nov 2009 06:30:24 GMT Gerry O'Hara http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1690 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1690 I have uploaded some photos to the forum of the S750 I restored for the Society for the Preservation of Antique Radio in Canada ('SPARC') earlier this year. Thu, 19 Nov 2009 00:08:40 GMT Al http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1689 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1689 I'm making good progress on my 830-7 project. I've replaced the damaged dial scales. Thanks Ian. Now I'm having trouble reassembling the thing. Can someone Mon, 09 Nov 2009 00:54:19 GMT Gerry http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1688 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1688 I note that the Marconi HR100 Data Sheet (aka S750/2 according to the QRG) has recently been posted to the EUG site confirming that this model has the standard Sat, 07 Nov 2009 16:18:40 GMT Gerry O'Hara http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1687 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1687 Hi Graeme, According to the QRG, the 750/1 is the designation that the 110v 25Hz transformer variant was given. I restored a 750 fitted with a 110v 25Hz power Fri, 06 Nov 2009 21:06:22 GMT GRAEME WORMALD http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1686 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1686 The 750/2 has a 25 cycle mains tranny (much of Canada used to run on 25 cps.) Graeme G3GGL ... From: g0eyo To: eddystone_radio_users@... Sent: Fri, 06 Nov 2009 01:45:31 GMT Gerry O'Hara http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1685 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1685 Earl, At first glance they look like EC958/7 parts (the escutcheon at least). 73 Gerry, VE7GUH From: eddystone_radio_users@... Fri, 06 Nov 2009 01:32:04 GMT Earl http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1684 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1684 Hello. Im new to the group. Earl VE3AB. I joined because I was given a box of Eddystone Receiver parts by a ham op here in Ontario who was cleaning out his Wed, 04 Nov 2009 11:41:34 GMT g0eyo http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1683 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1683 I am trying to establish the difference between the S750/1 and S750/2. The /2 was supposed to be badged as the Marconi HR100 for an EUGer. We have an Sat, 31 Oct 2009 21:37:06 GMT livingj2 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1682 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1682 ... Why NOT use coax ? The primary of the first RF transformer in the 680 can be operated balanced or unbalanced as preferred, by grounding (or not)the "AE" Wed, 28 Oct 2009 21:38:40 GMT va3awa http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1681 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1681 Hello, I am looking for one or more No. 707 miniature holders for the 706 Series tuning coils. For reference, please go to the photo album, 'VE3AWA' for photo. Wed, 28 Oct 2009 17:02:10 GMT Jim Jobe http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1680 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1680 I've just bought a 680X and would like to build a 2m converter now to feed into it. My question is how should I connect the output of this to the 400ohm 680X Wed, 28 Oct 2009 09:55:16 GMT ian nutt http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1678 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1678 Pete, I would reiterate Gerry's comments here: I use a weak solution of dishwasher fluid in warm distilled water to clean the scales. You may find that there Wed, 28 Oct 2009 03:33:25 GMT Gerry O'Hara http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1677 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1677 Pete, Well, that certainly made a difference to that vernier scale! - much improved. In other cases though, I would reiterate that caution should still be used Tue, 27 Oct 2009 21:11:31 GMT Pete http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1676 http://uk.groups.yahoo.com/group/eddystone_radio_users/message/1676 Hi Gerry I fully agree with your views. In my case it was kill or cure ! Photos / scans can be seen in the 'photos' section of the forum. Regards Pete