The microscope : its construction and management : including technique, photo-micrography, and the past and future of the microscope (1893)
Heurck, Henri van, 1838-1909 · London : C. Lockwood ; New York : D. Van Nostrand Co. · leaf 30
ngthen if a radius A A, parallel to B B,be drawn from the centre of curvatureA, cutting the corresponding surfaceAi A2 A3 at the point A, these surfacesat the points A and B will have thenormals B B, A A parallel by construction.It follows that their elements willalso be parallel at these points.… … below,of theof the be drawn from■ to the corres-it in B, and OF LENSES AND THEIR PROPERTIES.
Microscopy
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