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Dream - Telescopes & Accessories (Popularity:  )
http://www.dreamscopes.com/
Offers advanced composite telescopes which utilize carbon fiber, Kevlar and honeycomb materials. Other products include Ritchey-Chretien telescopes, mirror cells, mounting plates and rings, and parts and accessories.
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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Parallax Instruments (Popularity: )
http://www.parallaxinstruments.com/
Newtonian and classical Cassegrain astronomical telescopes, German equatorial mountings, tripods and custom portable or permanent observatory welded steel piers.
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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R.F. Royce - Precision Optical Components (Popularity: )
http://www.rfroyce.com/
Compound reflective optical systems including Cassegrain, Ritchey-Chretien, Dall-Kirkham and various modifications. Refractive systems including achromatic and apochromatic objectives and full aperture corrector catadioptric systems including SchmidtMaksutov ...
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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Advanced Optics Limited (Popularity: )
http://advanced-optics.com/
Produces the Vanguard 500, a complete 20" Ritchey-Chretien Telescope system.
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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Dream - Telescopes & Accessories (Popularity: )
http://www.dreamscopes.com
Carbon, Aramid and S-glass/epoxy composite tubes. Descriptive intro to composites.
Category:
Business - Industrial Goods and Services - Materials - Composites
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Related:
Ritchey
- Chretien
- Chretien De Troyes
Ritchey: Youns (Popularity: )
http://www.youns.com/
Various interests including ancestral heritage and family tree for the lineages of Ritchey and Diehl. Also features a pet memorial and a special dedication to 'I Love Lucy'.
Category:
Society - Genealogy - Surnames - R
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Ritchey Tagg (Popularity: )
http://www.ritcheytagg.com/
A manufacturer and supplier of farming equipment specialising in livestock identification - tags. Based in North Yorkshire, UK. Other products offered include lambing and calving equipment and shearing equipment.
Category:
Business - Agriculture and Forestry - Livestock - Supplies and Equipment
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Graydon Head & Ritchey LLP (Popularity: )
http://www.graydon.com
Business-oriented firm with offices in Ohio and Kentucky.
Category:
Society - Law - Services - Lawyers and Law Firms
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SDS-70 (Popularity: )
http://www.superdimension70.com
Informational site about Super Vista Corp's Super Dimension-70 large format advanced film based technology.
Category:
Arts - Movies - Filmmaking - Film Formats
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Ritchie, TR (Popularity: )
http://www.trritchie.com/
Acoustic singer/songwriter. Includes biography, tour program, information about his recordings and awards.
Category:
Arts - Music - Styles - Folk
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BicycleBuys.com (Popularity: )
http://www.bicyclebuys.com
Offering products for adults, kids, and children. Carries major brands for road, bmx, and mountain biking.
Category:
Shopping - Sports - Cycling
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A Road Bike 4 U (Popularity: )
http://www.aroadbike4u.com/
Offers many brands of custom-built road bicycles. Also buys and sells used cycles.
Category:
Shopping - Sports - Cycling - Road
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Optical Mechanics, Inc. (Popularity: )
http://www.opticalmechanics.com/
Fabricates research-quality Newtonian, Cassegrain, Ritchey-Chretein and custom optics, opto-mechanical instruments including LIDAR systems and collimators. Manufactures the Nighthawk line of advanced robotic telescopes plus custom telescopes. Offers optical ...
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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Astro Optik (Popularity: )
http://www.astrooptik.com/
Large telescope systems including Hypergraphs, Deltagraphs, Cassegrains and Ritchey-Chretiens, Newtonians, Dobsonians and Schmidt cameras.
Category:
Science - Astronomy - Business - Telescopes, Binoculars and Accessories
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Slingshot Bicycle Company (Popularity: )
http://www.slingshotbikes.com/
Manufactures mid-suspension mountain, road, hybrid and cyclo-cross bicycles that fold. Slingshot folding bikes are hand-made in the USA.
Category:
Business - Consumer Goods and Services - Sporting Goods - Cycling
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Avocet (Popularity: )
http://www.avocet.com/
Manufacturers of cycling computers, saddles, heart rate monitors, tires and altimiters.
Category:
Business - Consumer Goods and Services - Sporting Goods - Cycling
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Super Vista Corp (Popularity: )
http://www.superdimension70.com
Makers of Super Dimension-70 (SDS-70) large format advanced film based technology.
Category:
Business - Arts and Entertainment - Tools and Equipment - Manufacturers
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Ritchey Metals Company Inc. (Popularity: )
http://www.ritcheymetals.com
Northeast USA manufacture of zinc based alloys for the casting and plating industries.
Category:
Business - Industrial Goods and Services - Materials - Metals
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Mud, Sweat and Gears Inc (Popularity: )
http://www.bikeusa.com/
Full service shop based in Lawton.
Category:
Sports - Cycling - Bike Shops - North America
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Alto Velo (Popularity: )
http://www.altovelo.org/
Palo Alto based team with race events and results calendar, photos, links and membership information.
Category:
Sports - Cycling - Organizations - North America
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