[meteorite-list] meteorite-list] Scale Cubes

From: Jeff Kuyken <*info_at_meteoritecentral.com*> Date: Mon, 15 Mar 2010 20:41:29 +1100 Message-ID: <CEA24BF0B79940B8B078406ED06B9557_at_JeffPC> · info_at_meteoritecentral.com

--
Richard Kowalski
Full Moon Photography
IMCA #1081
--- On Mon, 3/15/10, Shawn Alan <photophlow at yahoo.com> wrote:
> From: Shawn Alan <photophlow at yahoo.com>
> Subject: [meteorite-list] meteorite-list] Scale Cubes [WAS: Ad Announcing 
> the "Count" cube Scale / Orientation cube]
> To: meteorite-list at meteoritecentral.com
> Date: Monday, March 15, 2010, 1:59 AM
> Richard Listers
>
> Hi when you have a chance click on this link on eBay
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=280478300077&ssPageName=STRK:MEWAX:IT
>
> It looks like this could be one of Tims cm wood cubes
> (might I add I like the cm wood cubes he has done)? Well
> that is what I would assume that its a cm cube because that
> has been the set standard I have seen day in and day out
> with orientation cubes. Now for argument sake, lets say
> its a inch cube and the only reference I can go off of is
> only the image and the cube with the T on it. By default,
> I would assume its a cm size cube because that has been the
> set standard. But in actuality its the inch cube, or who
> knows, it could be 2.5 inch cube or 1.3 inch cube or a foot
> cube.
>
> Now this can cause some confusion when people use
> orientation cubes as a set standard for scale. When the
> scale changes in size the orientation cube has no use now
> when a new size is introduced or sizes. I like that he made
> the inch cube in celebration for Counts big find. I think it
> would have been more fitting and fun if he also branded the
> wooden cubes to say The Count Cube on every side to
> distinguish it from his cm wood cubes that he sells.
>
> What might happen is people might take the inch cube
> and use it as an orientation cube scale and this could
> cause confusion if you cant see the inch etched on one
> side in the cube because all of the other orientation cubes
> I have seen are cm, the standard that has been used. And
> also to take in consideration not all bidders on eBay are
> members on the Meteorite Central List.
>
> Shawn Alan
>
>
> [meteorite-list] Scale Cubes [WAS: Ad Announcing the
> "Count" cube Scale / Orientation cube]Richard Kowalski
> damoclid at yahoo.com
> Mon Mar 15 04:32:25 EDT 2010
>
>
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> "Count" cube Scale / Orientation cube
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>
> Shawn, Matt,
>
> If I'm not mistaken, the scale cube was invented
> specifically for the lunar samples brought back by the
> Apollo missions.
>
> Obviously, the idea behind using a scale cube is just that,
> to show the scale of the object in the photograph.
>
> I agree that for good scientific reasons, a scale cube in
> some metric measurement makes the most sense. A cubic
> centimeter is most common, but why not a cubic decimeter or
> a cubic meter, if those are appropriately sized for the
> object? I have no problem with any sized scale cube as long
> as the dimension is clearly marked and visible in the
> photograph. 1-cm, 1 inch, no matter. There is no "standard"
> so to speak. The key is to use something of the appropriate
> scale for the object being photographed...
>
> I have no objection to using other objects too, again as
> long as they are easily identifiable. I might not know what
> the coin is, if one is being used for scale, but I
> immediately have a general idea how big is probably is. As
> long as I can unambiguously identify it in the photograph,
> that's all I need. If the image is poor and I can't
> determine exactly what coin it is, much less the country of
> origin, much of the value of using that coin for scale is
> lost.
>
> Most car keys are about the same size and have been for a
> very long time... Put them next to your rocks. I'll have
> some idea how big they are.
>
> Something that REALLY bothers me is something ambiguous,
> like dice. They all look the same and come in many different
> sizes. Even the standard ones have no markings that tell you
> they are standard size, or some other size. If you see them
> in a photograph, is it a standard die, a small one from a
> board game or is it a huge novelty die from a game show??
>
> I can assume it is a standard die or close to it and get a
> general scale of the object. The same goes for the plastic
> 1-cm cubes you see in photos that have no scale marked on
> them. By the weight of the object you can guess the cube is
> 1-cm, but it's really a bad idea not to include the actual
> size of your scale on your scale object, no matter what size
> it is!
>
> Cheers
>
> -- 
> Richard Kowalski
> Full Moon Photography
> IMCA #1081
>
>
>
>
>
>
>
>
> Previous message: [meteorite-list] Ad Announcing the
> "Count" cube Scale / Orientation cube
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> cube Scale / Orientation cube
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