Science and Nature
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- American Science and Surplus
- A retail outfit carrying everything from toys and novelties to motors, tools and science kits.
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- Information Unlimited
- Science projects for the electronics hobbyist, including Tesla coils and power supplies, high voltage engineering, neons, power supplies, and transformers.
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- PV Scientific Instruments
- Working models of apparatus used in great discoveries in electricity, magnetism and atomic physics.
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- Pictures of Record
- Publishes scholarly slide sets of archaeological sites and artifacts, techniques of archaeology, and ethnographic subjects. Covers North and South America, Aegean and Near East.
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- Preseli Bluestone Jewellery
- The stone used for Stonehenge from its source in the Preseli Hills in Wales, made into a ring, pendant or earring. Secure online shopping.
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- The Stone Circle Shop
- Sells CD-Rom 'Featuring the Stone Circles: A Photographic Tour' by Tom Bullock, and photographs, art, books related to megaliths and timber circles. Online shopping.
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- Astrographics Publishing
- Publishes science and nature calendars, posters, gallery prints, and books.
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- Celestial Products
- Astronomical calendars, moon calendars, Hubble Space Telescope images, posters, starfinders/planispheres, atlases, books, charts, and gifts for all ages of the scientifically curious.