00529cam a22001813a 450000100060000000300060000600500170001200800410002904000150007004200070008524500870009226000290017950600300020851600200023870000180025883000290027685600420030543418PGUSA20140828084004.0130807s2013||||xxu|||||s|||||000 | eng d  aPGUSAbeng  adc10aOur Knowledge Box :b: or, Old Secrets and New Discoveries.h[electronic resource]  bProject Gutenberg,c2013  aPublic domain in the USA.  aElectronic text1 aBlackie, Geo. 0aProject Gutenbergv4341840uhttp://www.gutenberg.org/ebooks/43418