Brinton, Willard Cope, 1880- · New York, The Engineering magazine company · leaf 257
240 GRAPHIC METHODS V 0) d o ^ O 1 1 s -a ^ o a. £ ■M (Si 0 '.<^' >.' > <r-< ^ N fl M .2 =y 0\ M « c -0 a .3 "5. 8 ^ ^ m > 0) c -4-* ^ ■^ 4) ^ C/3 o. £ a "O o o g (U -4-» ■^ ■S 10 s •a 0) S3 1:3 ^ 1 iK t.?\ 5?> , ,1 § S5 \ ' jfi ^ a> 1 ^ |a s H c § *'V^ o ft la ■s-s "oj 1) ^ H ^ 1 •3 sea rt ^ o Ih…
Graphic methods · Statistics
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