A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 255
The Concavo-convex. What are the first three of these lenses called ? What Is theireffect ? What are the double concave and the plano-concave lens called ? What istheir effect ? What is the effect of the concavo-convex lens, when its two surfaces areparallel? When the convex surface has a greater…
Physics
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