Our mission is simple; to be TRUSTED by educators, researchers, and scientists throughout the world to design, manufacture, and DELIVER products that allow LEARNING and the development of scientific knowledge.
For over 50 years, Eisco Scientific has been manufacturing and selling quality science equipment and supplies worldwide. Eisco Scientific is a multinational corporation, providing products to academic and industrial customers in over 100 countries.
The Eisco Industrial division has been created to focus on the needs of industrial and academic research laboratories. Eisco products have been carefully designed by laboratory professionals along-side experienced engineers with quality and durability in mind. They are manufactured with only the highest grade raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments
Technical Support || Always feel free to reach out to our team for additional information, or to assist you with any questions regarding our laboratory products. If you should receive a damaged or defective item, please get in touch with us and we will be happy to make it right.
Excellent for Physics Classrooms
Useful for many physics classroom demonstrations and experiments.
Great for a variety of optical bench amp; ray box experiments, exploring reflection, and for comparing converging and diverging image formations.
DOUBLE CONCAVE LENS, 3"
500mm focal length
High quality, optically true lens. Made of highly polished, quality glass. Spherical with ground edges. Designed for educational purpose and science classroom demonstrations in optics and light physics.
Lens measures 3" (75mm) in diameter and has a diverging focal length of 500mm.
Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments.
Since 1854, Holman’s Funeral & Cremation Service has provided families in the Portland area with the very best in services and facilities. If your family prefers a formal service with the quiet atmosphere of a historic Portland Home, you will find it with us. If a more casual service in an intimate setting is preferred, you will find that too. Whatever your wishes, they can be fulfilled in a way which creates a truly memorable service and offers real comfort for family and friends.
Holman’s historical Hawthorne mansion was designed by Whidden & Lewis and built in 1902.
It is listed on the National Register of Historic Places.
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