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$32.00
Size
Pillow Insert
Image Size
Product Details
Our throw pillows are made from 100% spun polyester poplin fabric and add a stylish statement to any room. Pillows are available in sizes from 14" x 14" up to 26" x 26". Each pillow is printed on both sides (same image) and includes a concealed zipper and removable insert (if selected) for easy cleaning.
Design Details
Spectroscopic Apparatus, Steel engraving, 1869. In 1855 Robert Bunsen had created the Bunsen burner for use in flame tests of various metals and... more
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2 - 3 business days
Photograph
Canvas Print
Framed Print
Art Print
Poster
Metal Print
Acrylic Print
Wood Print
Greeting Card
iPhone Case
Throw Pillow
Duvet Cover
Shower Curtain
Tote Bag
Round Beach Towel
Zip Pouch
Beach Towel
Weekender Tote Bag
Portable Battery Charger
Bath Towel
Apparel
Coffee Mug
Yoga Mat
Spiral Notebook
Fleece Blanket
Tapestry
Jigsaw Puzzle
Sticker
Spectroscopic Apparatus, Steel engraving, 1869. In 1855 Robert Bunsen had created the Bunsen burner for use in flame tests of various metals and salts its non-luminous flame did not interfere with the colored flame given off by the test material. This line of work led to the spectroscope. It was Kirchhoff who suggested that similarly colored flames could possibly be differentiated by looking at their emission spectra through a prism. When he shone bright light through such flames, the dark lines in the absorption spectrum of the light corresponded in wavelengths, with the wavelengths of the bright, sharp lines characteristic of the emission spectra of the same test materials. A spectroscope is an instrument for producing and observing spectra. In the 1890's scientists began using spectroscopy for medical research and criminal investigations. The field of toxicology was the first to benefit. Late 19th-century forensic pathologists were enthusiastic about the potential uses of spectrosco...
$32.00