[meteorite-list] meteorite-list] Scale Cubes used by the Smithsonian Institution

From: Shawn Alan <*photophlow_at_meteoritecentral.com*> Date: Mon, 15 Mar 2010 04:24:27 -0700 (PDT) Message-ID: <998582.54429.qm_at_web113603.mail.gq1.yahoo.com> · photophlow_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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> 
> 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 
> 
> 
> 
> 
> 
> 
> 
> 
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