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08:0608:06, 31 July 2011 diff hist +61‎ Talk:Flyback transformer ‎ →‎Purpose of flyback transformer.
08:0308:03, 31 July 2011 diff hist +658‎ Talk:Flyback transformer ‎ →‎Purpose of flyback transformer.

17:0017:00, 30 July 2011 diff hist +1‎ Talk:Flyback transformer ‎ →‎Purpose of flyback transformer.
16:5116:51, 30 July 2011 diff hist 0‎ Flyback transformer ‎ Undid revision 442222465 by DVdm (talk) Correct information - See discussion
16:5116:51, 30 July 2011 diff hist +266‎ User talk:DVdm ‎ →‎Flyback transformer: new section
16:4916:49, 30 July 2011 diff hist −1‎ Talk:Flyback transformer ‎ →‎Purpose of flyback transformer.
16:4916:49, 30 July 2011 diff hist +1,229‎ Talk:Flyback transformer ‎ →‎Purpose of flyback transformer.: new section
16:3716:37, 30 July 2011 diff hist 0‎ Flyback transformer ‎ No. Original point was to produce high deflection currents. As a pure power supply, it could still produce high voltages, but few designs actually do.
16:3216:32, 30 July 2011 diff hist 0‎ Flyback transformer ‎ current not voltage
16:2816:28, 30 July 2011 diff hist +10‎ Talk:Analog high-definition television system ‎ →‎Conspiricy theories
16:2716:27, 30 July 2011 diff hist +449‎ Talk:Analog high-definition television system ‎ →‎Conspiricy theories

07:3107:31, 27 July 2011 diff hist +131‎ Talk:IPhone 4 ‎ →‎Second microphone
07:1707:17, 27 July 2011 diff hist +813‎ Talk:IPhone 4 ‎ →‎Second microphone

17:0717:07, 22 July 2011 diff hist +371‎ Railway electrification ‎ →‎Fourth rail: paris Metro- Some clarification and general tidy up.
16:5116:51, 22 July 2011 diff hist +2‎ List of railway electrification systems ‎ →‎DC, four-rail: Both guide bars are electrical contact to facilitate train reversal at one of line only.
16:4616:46, 22 July 2011 diff hist +90‎ List of railway electrification systems ‎ →‎Overhead systems: Seaton Tramway added.
16:3116:31, 22 July 2011 diff hist −2‎ Talk:Volk's Electric Railway ‎ →‎Gaugue
16:3016:30, 22 July 2011 diff hist +398‎ Talk:Volk's Electric Railway ‎ →‎Gaugue: new section
16:2416:24, 22 July 2011 diff hist +1,460‎ Talk:Volk's Electric Railway ‎ →‎Method of Operation: new section

15:4415:44, 20 July 2011 diff hist +284‎ Talk:Noise-canceling microphone ‎No edit summary
15:4015:40, 20 July 2011 diff hist +375‎ Talk:IPhone 4 ‎ →‎Second microphone
15:1815:18, 20 July 2011 diff hist −650‎ Talk:IPhone 4 ‎ →‎GPS Antenna: Forget it - I'm wrong.

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