Ford Tri-motor Aircraft

Ford Tri-motor Aircraft

This image was captured 7-2-04 at Port Clinton, OH, airport.

AKA Tin Goose, the trimotor was a transport aircraft produced in 1925 by Ford Motors.  Production ended in 1933 after 199 were made.  It was used around the world of that time.

A tidbit of trivia: The control surface wires were mounted on the outside.

Thanks to Wikipedia for the information provided.

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Black-and-Yellow Argiope: Special Halloween Edition

Black-and-Yellow Argiope

AKA Black and Yellow Garden Spider, Zipper Spider, Corn Spider, and Writing Spider.  It is distributed throughout the World.  This spider won the right  to be displayed in the special Halloween edition!

Black-and-Yellow Argiope

The carapace is typically covered in silvery hairs.

Thanks to Wikipedia for the information provided.

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Cuprite

Cuprite

Cuprite is a minor ore of Copper, Copper oxide: Cu2O.  This sample comes to us from Morenci, Arizona.

This is my best effort at photographing it from early last month, September.  I have been trying for two years.  I must thank my brother for suggesting cross polarization to eliminate the bright highlights.  I added some filters within the Fotodiox Portable Studio, LED 440 that I use.  I added a linear polarizing filter to the softbox filter already in use.  I than added a circular polarizing filter on the lens, adjusting it for minimal reflections.  I had to add an additional light because all the polarization filters reduce the amount of light available.  I found the the Clar Surface Series 24B LED helpful in solving this problem. This process is awkward when shooting focus stacks as I have done here. This stack contains 149 captures which were combined in Helicon Focus software.  It is difficult to see the effect as I rotate the filter because of the super shallow depth of field.  I suspect that I may be able to do better when I have more patience. 

I learned that Cuprite is rarely used for jewelry because of its lack of hardness.  It was first described by Wilhelm Ritter Von Haidinger in 1885.  There is only one place worldwide which yields crystals of enough quality and size to be gem quality.  It is in Seeis, Namibia.

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