SOME ADVICE ON CHOOSING AND BUYING USED MICROSCOPES by James McHone of Stones2Gems .Polarizing and brightfield microscopes have been important tools in my geological research and teaching for the past 40...
Like all jewelry, your wire wrapped jewelry needs to be properly cared for and cleaned. Properly cleaning caring for your jewelry can make a world of difference in maintaining its beauty and keeping it...
The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German...
The Takahashi Fluorite APO 22x60 Binoculars set a new standard for high power binoculars. The fluorite objectives deliver pinpoint stars against a jet-black background. Contrast is outstanding allowing the observer to view delicate detail in nebulae...