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Steve Taranovich

6 ways Edward Weston helped advance the late 19 century electrical distribution effort

Steve Taranovich
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Follower
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5/11/2017 3:44:01 PM
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And when I said that i did not actually know about this and I have been reading stuff on facebook lately and instagram too, I meant that the widget is less and less used as the time goes.

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sarahill
sarahill
4/20/2017 3:32:15 AM
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Re: noocube
 Nice information, thanks for this article!

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Diet Pills
Diet Pills
4/10/2017 4:15:38 AM
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Re: -READ HERE VISIT
And when I said that i did not actually know about this and I have been reading stuff on facebook lately and instagram too, I meant that the widget is less and less used as the time goes.

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Atoria
Atoria
2/23/2017 5:16:33 AM
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Did not actually know about this. I have been reading stuff on facebook lately (actually on Instagram too whne we talk about the social media) and was really disappointed...

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EloÔse
EloÔse
10/13/2016 11:02:18 AM
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Thank you for post !

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David Ashton
David Ashton
10/12/2016 4:05:34 PM
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Weston Galvanometers
My dad was into photography and had an ancient Weston light meter, that did not work very well.  it had a bubble-glass window on one side and a meter on the other, but would only deflect slightly when exposed to a really bright light (eg the sun).  By the time I got it cameras commonly had light meters built in or were automatic, so I never bothered doing anything with it, though I thought about how I'd fix it (the photovoltaic cell had obviously died, not the meter itself).  It even had the riveted on brass label as in your photo.  Long lost now, I wish I'd kept it, it was a thing of beauty.

Oops... just looked at part 1.  My Dad's lightmeter was probably fairly long after the one shown there, it was squarer and neater and came in a suede leather pouch.

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steve.taranovich
steve.taranovich
10/12/2016 1:31:53 PM
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Re: Whence Weston?
@cookiejar---sadly Weston no longer exists. See this site for details http://www.westonmeter.org.uk/thecompany.htm

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cookiejar
cookiejar
10/12/2016 11:15:52 AM
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Whence Weston?
I've always been impressed with Weston Meters, whether in the labs at University, the cal lab at work, in our development lab and of course exclusively used in Heathkits, at one time owned by the same corporation.  I didn't realize how sophisticated and complex the meter technology developed by Edward Weston truly was.

My favorite Weston meter had a unique current measuring function.  The probes each had a pair of coaxial contacts - the external ring for current, the internal for voltage.  In this mode, the AC powered meter would drive current, which it displayed, opposite to the current in the active circuit until the voltage between the probes was zero.  One could test all the currents in a PC board and quickly determine defective ICs and other components sucking too much current.
You had to be careful you actually applied the probes to the same conductor, otherwise you could blow the fuse inside.  I wish I didn't have to leave that meter when I left that employer. 

Another unique Weston device was a temperature probe.  This one had a set of adapters for clamping on to electronic components (before the days of SMDs).  As most other temperature probes, the temperature was displayed -  no big deal so far.  This system used a Peltier device in the main unit to pump coolant to the probe and heat or cool the component the probe was attached to through a wide range of temperatures (-55C to 100C).  It provided a beautifully controlled and impressively easy way to measure the temperature response of individual components, certainly more sophisticated that destructive freeze mist.

What happened to the Weston Meter Company?  Did they go the way of Heathkit and GR?


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EloÔse
EloÔse
10/12/2016 4:50:35 AM
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Yes, thank you for this great post!

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Thomas7
Thomas7
10/10/2016 4:11:02 AM
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Re: Yuweg blog
Thanks for great post!

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Page 1 / 2   >   >>
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