museum-of-communication : Messages : 38-67 of 330

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38	To send Morse is a skill which takes time to develop. Some telegraphists no doubt reach close to the limits of human attainments and have controls of the level...	Geoffrey.Walsh geoffrey.walsh@...	Feb 21, 2000 7:28 pm
39	Hello Geoffrey I was very sorry to hear of the death of Harry Matthews. I had heard so much about him and regret not having had the opportunity of a personal...	Zyg Nilski zyg@...	Feb 21, 2000 11:05 pm
40	... Yes please do that. If you wish to edit the text before going to press please Email the adjusted version. I understand that someone is writing an obituary...	Geoffrey.Walsh geoffrey.walsh@...	Feb 22, 2000 7:41 am
41	Hi, Geoffrey and Zyg Further to Geoffrey's comment about Harry's obituary, you may like to know that this is being co-ordinated by Tom Stevenson (...	David Brown davidwbrown@...	Feb 22, 2000 8:39 pm
42	Someone yesterday drew my attention to an article in the Scotsman giving evidence that Oliver Lodge and a Patrick Muirhead were the first to �broadcast� a...	Geoffrey.Walsh geoffrey.walsh@...	Mar 18, 2000 5:43 am
43	Hi, Geoffrey A few other papers have now picked this story up too. Apparently, an exhibition of Lodge and Muirhead's work was to open this weekend at the ...	David Brown davidwbrown@...	Mar 19, 2000 5:32 pm
44	Not that I am a biographer of Sir Oliver Lodge but this is the first reference to any connection with Oxford that I have read. He was assistant prof of maths...	Zyg Nilski zyg@...	Mar 19, 2000 11:06 pm
45	... The following is taken from: 'Bright Lights' The Stevenson Engineers 1752 - 1971 ISBN 0 9535514 0 7 Published by Prof. Roland Paxton Heriot Watt...	Dave Pack david.pack@...	Mar 21, 2000 6:11 pm
46	CW is normally received by superhets. There is one or sometimes two frequency conversions, a beat frequency oscillator and often a sharp filter. The results...	Geoffrey.Walsh geoffrey.walsh@...	Apr 2, 2000 7:26 am
47	Hi Martin, and everyone else.... this is just to help Martin with his lost his adress book. We are all fine, I'm looking forward to my imminent 'retriral'.......	Chris Gill chris@...	May 13, 2000 10:19 pm
48	I have in my possession an electrical �magneto� housed in a varnished wooden box. When the handle is turned gearing and a belt drive caused an armature to...	Geoffrey.Walsh geoffrey.walsh@...	Jun 4, 2000 6:45 am
49	Can anyone tell me what Vinkor is? I think it has something to do with magnetic cores for transformers, but I'm not sure. Also, can anyone tell me if the...	Andy Dailey a.j.dailey@...	Jul 7, 2000 5:44 pm
50	Hi Andy As I recall, Vinkor was the name given to a range of ferrite core products which were available in the 60s and 70s for winding your own transformers. ...	rshivas@...	Jul 8, 2000 11:50 pm
51	Can anyone tell me about the history of the magneto. Who first made one ? Am I right in thinking that magnetos use a coil which rotates in a magnetic field....	Geoffrey.Walsh geoffrey.walsh@...	Aug 17, 2000 6:25 pm
52	Subject: Re: [museum-of-communication] Magneto ... internal-combustion ... turns ... 385 ... magnetic ... of ... no ... voltage ... closure ... which ... ...	Dave Pack david.pack@...	Aug 24, 2000 8:37 pm
53	I was recently doing a technical report on an early 1960's solid state receiver. On the inside back cover was a list of what each device did e.g.IF Amp. One...	Andy Dailey a.j.dailey@...	Oct 10, 2000 11:21 pm
54	Has anyone got any details of a WW2 Radar facility that was built in the Braid hills to the south of Edinburgh? I don't know if it was an operational station,...	Dave Pack david.pack@...	Nov 26, 2000 5:46 pm
55	I have lived in Liberton for years. I was told long ago that it was to do with Ferrantis and was secret, but I cannot verify this supposition. There must be...	Geoffrey Walsh geoffrey.walsh@...	Nov 26, 2000 6:51 pm
56	Try Colin Latham, e-mail: colin@... He has researched and written books on the history of radar. Zyg Nilski ...	Zyg Nilski zyg@...	Nov 27, 2000 11:50 am
57	In the first half of the 19 th century wire for electrical equipment will not have been available commerciall6y. I think I have read that in his experiments on...	Geoffrey Walsh geoffrey.walsh@...	Jan 15, 2001 6:24 pm
58	'The History, Theory and Practice of the Electric Telegraph' by George B. Prescott - 1866 (USA) - "The wire used for telegraph lines for the past 13 years has...	Zyg Nilski zyg@...	Jan 16, 2001 1:51 am
59	I wondered if large lengths or iron wire were used for fencing on farms by that time. If this is so there will already have been an industrial base which could...	Geoffrey Walsh geoffrey.walsh@...	Jan 16, 2001 2:01 pm
60	This is probably right, but I get the distinct impression that, in any case, they would have commissioned the manufacture of iron wire for overhead telegraph...	Zyg Nilski zyg@...	Jan 16, 2001 11:18 pm
61	Cooke & Wheatstone - were their connectors wires or bars laid at the track-side? Trapezoid shaped beams of wood, the 5 copper conductors partially imbeded....	Geoffrey Walsh geoffrey.walsh@...	Jan 17, 2001 6:24 am
62	... The book "History, Theory and Practice of the Electric Telegraph" by George B. Prescott, published 1866, says: "...it has been found most convenient...	Stan Barr stanb@...	Jan 20, 2001 6:18 pm
63	To my friends and the friends of my friends. My name is Rosa and I hope that you don't smoke but, if you do, I found a really hot deal on this page...	rolova@...	Mar 13, 2001 10:40 am
64	The Times the other day carried a long obituary of Shannon. He developed information theory, important in the digital age of course. I think he must have been...	Geoffrey Walsh geoffrey.walsh@...	Mar 14, 2001 6:18 pm
65	The Times the other day carried a long obituary of Shannon. He developed information theory, important in the digital age of course. I think he must have been...	Geoffrey Walsh geoffrey.walsh@...	Mar 14, 2001 6:19 pm
66	The heyday of commercial Morse sent with straight keys had passed long before the present era of the compensation culture was under way. Operators were liable...	Geoffrey Walsh geoffrey.walsh@...	Apr 4, 2001 5:13 am
67	The Times yesterday carried a fairly long obituary of Bruno Cavalieri Ducati The name, Ducati, is of course associated with motor cycles and mopeds but with...	Geoffrey Walsh geoffrey.walsh@...	May 27, 2001 6:48 am

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