Effect van het vergroten van glazen en lenzen, houtgravures, gepubliceerd 1893 - Stockillustratie

Optical lenses: 1) Real reduced image of the biconvex lens; 2) Collecting and diverging lenses; 3) Biconvex lens; 4) Effect of the magnifying glass; 5) Biconcave lens; 6) Unification of laterally incident light rays. Wood engravings, published in 1893.