. Mathematical recreations and essays. Mathematical recreations; Geometry; Bees; Cryptography; Ciphers; String figures; Magic squares. Figure E. Figure F. the figure E. If we couple 1 2 with the lower of the paths 14, as also 1 3 with the upper of the paths 1 4, we again get the figure E. If we couple 1 2 and 13, as also the two paths 14, we get the figure F. Then as above, d = 2e +f. Similarly b = 2e +/, and c = 2e +/. Hence o = b + c + d = 6e + 3/.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appe


. Mathematical recreations and essays. Mathematical recreations; Geometry; Bees; Cryptography; Ciphers; String figures; Magic squares. Figure E. Figure F. the figure E. If we couple 1 2 with the lower of the paths 14, as also 1 3 with the upper of the paths 1 4, we again get the figure E. If we couple 1 2 and 13, as also the two paths 14, we get the figure F. Then as above, d = 2e +f. Similarly b = 2e +/, and c = 2e +/. Hence o = b + c + d = 6e + 3/.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ball, W. W. Rouse (Walter William Rouse), 1850-1925. London, Macmillan


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectgeometry, bookyear192