Eye Glasses
Donegan ELD 2-1 Watch And Clock Makers Double Eye Loupe 5X-10X Magnification
(Misc.) Donegan Optical Company, Inc.
Available in multiple lenses that provide a specific magnification power (X), depending on the distance from the object
A dioptric number and a magnification number are not the same thing. Diopter strength represents a specific magnification power (X). For example, a 5-diopter provides 2.5X magnification (at a distance of 8")
Optical glass lenses are ground and polished into prismatic lenses for quality and clarity
Price:
$33.99
$21.97
and many of the types of shops from long ago, remain. There is a tin box makers street, an eyeglass street, a silk road, and a wood-turner's ...
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- Bodum Pavina 2.5-Ounce Double-Wall Thermo Glasses (Espresso/Shot), Set of 2
Price: $20.00
Scratch-resistant; dishwasher- and microwave-safe
Keeps drinks insulated; won't form condensation on outside
Winner of the prestigious European iF Design Award
The Invention of the Telescope: First Made in the Netherlands ...
By trade both men were what are today called eyeglass makers or opticians. They lived in the Dutch city of Middleburg. Lipperhey (also sometimes spelled Lippershey) was born in Wezel, Germany in 1570. About 1600 he moved to Middleburg. Janssen (sometimes his first name is spelled Sacharias and sometimes his last name is spelled Jansen) was born in the Netherlands about 1588.
Importance of the City of MiddleburgMiddleburg probably had the best eyeglass makers in Europe at the time. These men knew how to grind high-quality glass lenses, which were essential to the making of telescopes. The lens grinders or opticians in Middleburg had access to the excellent glass made in Venice.
Lipperhey, with the help of an assistant, built his first telescope by making a tube of wood that was about two feet long and putting a glass lens at each end of it. After a few years of experimentation, he sold his telescope, which was called in Dutch a look glass) to the Dutch army, which intended to use it for military purposes.
...News
Gerber jettisons another business unitHartford Business - Oct 02, 2009
For the second time in a month, automated machinery maker Gerber Scientific Inc. in South Windsor has sold off one of its businesses as part of an ongoing Gerber Sells A Businessall 10 news articles »Forbes - Oct 02, 2009
Megane Top fell 9.7 percent to 1510 yen after the eyeglass retailer said its September sales fell 5.1 percent from a year earlier, the first such and more »Weekly Times Now - Sep 15, 2009
Craft Lisa's badge of honourShe makes earrings, bracelets and rings from knitting needles, converts souvenir spoons into rings and cufflinks and old eyeglass frames into scarf rings.
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