What kind of Vernier scale is this?
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From: Sylvia Else on 4 Aug 2010 20:03 On 5/08/2010 9:22 AM, George W Frost wrote: > "Sylvia Else"<sylvia(a)not.here.invalid> wrote in message > news:8bt5i4FtuuU1(a)mid.individual.net... >> http://members.optusnet.com.au/sylviae/T_vernier%20001.jpg >> >> It's on: >> >> http://members.optusnet.com.au/sylviae/T_vernier%20002.jpg >> >> Which is made by Alltrade. >> >> Sylvia. > > Easy, metric at the bottom and Imperial at the top markings > not really that accurate The problem is that it has the wrong spacing on the vernier scale, meaning that it's useless. Sylvia.
From: Noddy on 4 Aug 2010 20:25 "Sylvia Else" <sylvia(a)not.here.invalid> wrote in message news:8budeoFbdlU1(a)mid.individual.net... > The problem is that it has the wrong spacing on the vernier scale, meaning > that it's useless. It's not completely useless. It's just a rule, with a light duty clamp on one end :) -- Regards, Noddy.
From: Clocky on 4 Aug 2010 20:51 Neil Gerace wrote: > Sylvia Else wrote: > >> It was certainly cheap, and I'm not unduely concerned that it's not >> giving me 0.1 mm accuracy, but I couldn't believe, 'til now, that >> anyone could manufacture something purporting to be a vernier scale >> when it isn't one. > > I suppose there are different consumer laws in China :) Chinese verniers are accurate, what they export however...
From: Sylvia Else on 4 Aug 2010 22:41 On 5/08/2010 10:25 AM, Noddy wrote: > "Sylvia Else"<sylvia(a)not.here.invalid> wrote in message > news:8budeoFbdlU1(a)mid.individual.net... > >> The problem is that it has the wrong spacing on the vernier scale, meaning >> that it's useless. > > It's not completely useless. It's just a rule, with a light duty clamp on > one end :) Well, I decided I was sufficiently annoyed by the misrepresentation to take it back to the store. When I pointed out the issue to the storeman, his response, referring to the tool, was "That's a piece of sh*t, that is." Sylvia.
From: Fast Freddy on 5 Aug 2010 06:03
Sylvia Else wrote: > On 4/08/2010 11:31 PM, Noddy wrote: >> "Sylvia Else"<sylvia(a)not.here.invalid> wrote in message >> news:8bt5i4FtuuU1(a)mid.individual.net... >> >>> http://members.optusnet.com.au/sylviae/T_vernier%20001.jpg >> >> It's cheap Chinese dual scale. > > It was certainly cheap, and I'm not unduely concerned that it's not > giving me 0.1 mm accuracy, but I couldn't believe, 'til now, that anyone > could manufacture something purporting to be a vernier scale when it > isn't one. > > Sylvia. why would you bother? you can buy a digital vernier for $20 to $30 that would be far more accurate than this, having gone from this type to dial verniers to digitals, they just sit in the drawer now that I only use the digital version. |