Magnifying glass Small 171×320 Medium 342×640 Large 547×1024 Download Tiff Original 1283×2400 | (408.6 KB) Description A magnifying glass. Keywords convex, glass, lens, light, magnify, optic Galleries Microscopes and Magnifying Glasses Source: Elroy M. Avery School Physics (New York: Sheldon and Company, 1895) 390 Courtesy the private collection of Roy Winkelman
