"Plano-" Quotes from Famous Books
 ... giving a strong beam of light and heat, and with a plano-convex lens gather it into a single beam and direct it upon a thermometer, twenty feet away, that is made of glass and filled with air. The [Page 32] expansion or contraction of this air will indicate the varying amounts of heat. Watch your air-thermometer, on which the beam of heat is ...
— Recreations in Astronomy - With Directions for Practical Experiments and Telescopic Work • Henry Warren
... refracting powers of the plane, convex, concave, plano-convex, plano-concave, and concavo-convex lenses,[22] are different. The cornea and aqueous humors are convexo-concave, the vitreous humor is concavo-convex, while the crystalline humor is a convexo-convex ...
— A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition) • Calvin Cutter |
