Samples with Rotatable Images (1485)

These are samples that have QuickTimeVR 3D and JavaScript stereoscopic rotatable images associated with one or more samples. You can download the latest version of QuickTime for Macintosh or Windows from http://www.apple.com/quicktime/download. To make these files I first used a "VR Micro Studio", which consisted of an up-side-down panorama head, a three-axis adjustable tripod mount, and a 1000W halogen light. The camera was covered with tinfoil to keep it from burning up under the hot light. After making about 130 3D images (almost 10,000 individual photographs) I got a fiber optic illumination system and my studio looked like this. It was much more flexible, and doesn't get hot at all. Light really is the key to photographing small things: You need a lot of it close in. Then after another 50 or so I finally got an automatic turntable. Commercial stepper-motor systems are available, but they are very expensive and I've found they all vibrate, which disturbs delicate arrangements. I instead use a cheap surplus turntable with a 5 revolution per hour timing motor, combined with a time lapse control set to take a picture every 10 seconds. That works out to 72 images in one 12-minute revolution. If you do the math, the motion blur is less than one pixel even at a 1/15 second exposure, so a stepper motor that starts and stops is really not necessary. That was good, but in preparing for a Discovery Channel film project, I needed to upgrade to 360 steps instead of 72, and I wanted to be able to handle all sizes from nearly microscopic to a couple hundred pounds. The solution was a pair of custom-machined (by me, of course) turntables, cast iron mounts and a slate base for everything (because of vibrations, which are a big problem for samples less than about 5mm across). In late 2004 the studio looks like this.

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Text and images Copyright (c) 2010 by Theodore W. Gray.
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Lead
Lead Lead pig for technetium
3D3D
Lead pig for technetium.
Source: Anonymous
Contributor: Theodore Gray
Acquired: 11 August, 2007
Text Updated: 8 December, 2007
Price: Confidential
Size: 3"
Purity: 99%
Sample Group: Medical
Lead
Lead Lead pig for technetium
3D3D
Lead pig for technetium.
Source: Anonymous
Contributor: Theodore Gray
Acquired: 11 August, 2007
Text Updated: 8 December, 2007
Price: Confidential
Size: 3"
Purity: 99%
Sample Group: Medical
Lead
Lead Lead pig for technetium
3D3D
Lead pig for technetium.
Source: Anonymous
Contributor: Theodore Gray
Acquired: 11 August, 2007
Text Updated: 8 December, 2007
Price: Confidential
Size: 3"
Purity: 99%
Sample Group: Medical
Lead
Lead Cast lead disk
3D3D
Cast lead disk.
Source: Anonymous
Contributor: Theodore Gray
Acquired: 8 December, 2007
Text Updated: 8 December, 2007
Price: Confidential
Size: 5"
Purity: 99%
Lead
Lead Bags of lead shot
3D3D
Bags of lead shot.
Source: eBay seller badgerlaunch
Contributor: Theodore Gray
Acquired: 8 February, 2009
Text Updated: 8 February, 2009
Price: $0
Size: 4"
Purity: <0.001%
Lead
Lead Lead crystal fragrance lantern
3D3D
Lead crystal fragrance lantern.
Source: eBay seller effusionality
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $31
Size: 8"
Purity: 24%
Lead
Lead Lead BB gun pellets
3D3D
Lead BB gun pellets.
Source: Walmart
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $5
Size: 0.125"
Purity: 95%
Lead
Lead Lead BB gun pellets
3D3D
Lead BB gun pellets.
Source: Walmart
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: $5
Size: 0.125"
Purity: 95%
Lead
Lead Mini tin-lead casting alloy ingots
3D3D
Mini tin-lead casting alloy ingots.
Source: eBay
Contributor: Theodore Gray
Acquired: 28 February, 2009
Text Updated: 1 March, 2009
Price: Unknown
Size: 3"
Purity: <80%
Lead
Lead Broken leaded glass vase
3D3D
Broken leaded glass vase.
Source: eBay seller racingfreaks
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $6
Size: 6"
Purity: 24%
Lead
Lead Leaded glass teardrop
3D3D
Leaded glass teardrop.
Source: eBay seller originalbuy
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $4
Size: 1.5"
Purity: 33%
Lead
Lead Cat's whisker detector
3D3D
Cat's whisker detector.
Source: eBay seller jrschades
Contributor: Theodore Gray
Acquired: 28 March, 2009
Text Updated: 29 March, 2009
Price: $24
Size: 3"
Purity: 86%
Lead
Lead Cat's whisker detector closeup
3D3D
Cat's whisker detector closeup.
Source: eBay seller jrschades
Contributor: Theodore Gray
Acquired: 28 March, 2009
Text Updated: 29 March, 2009
Price: $24
Size: 3"
Purity: 86%
Lead
Lead Civil war rifle bullet
3D3D
Civil war rifle bullet.
Source: eBay seller cvrelics
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 7 April, 2009
Price: $5
Size: 1"
Purity: >90%
Lead
Lead Plumbing lead ingot
3D3D
Plumbing lead ingot.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: $10
Size: 5"
Purity: >98%
Lead
Lead Lead pipe reamer
3D3D
Lead pipe reamer.
Source: eBay seller wvtools
Contributor: Theodore Gray
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: $12
Size: 8"
Purity: 0%
Lead
Lead Cat's whisker detector closeup
3D3D
Cat's whisker detector closeup.
Source: eBay seller jrschades
Contributor: Theodore Gray
Acquired: 15 April, 2009
Text Updated: 15 April, 2009
Price: $24
Size: 0.5"
Purity: 86%
Lead
Lead Lead pipe non-plumbing
3D3D
Lead pipe (non-plumbing).
Source: eBay seller easternages
Contributor: Theodore Gray
Acquired: 16 April, 2009
Text Updated: 17 April, 2009
Price: $19
Size: 2"
Purity: >90%
Lead
Lead Napoleonic rifle balls
3D3D
Napoleonic rifle balls.
Source: eBay seller luajam
Contributor: Theodore Gray
Acquired: 16 April, 2009
Text Updated: 17 April, 2009
Price: $8
Size: 0.625"
Purity: >90%
Lead
Lead Roman sling bullets
3D3D
Roman sling bullets.
Source: eBay seller luajam
Contributor: Theodore Gray
Acquired: 16 April, 2009
Text Updated: 17 April, 2009
Price: $46
Size: 1"
Purity: >90%
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