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Scientific American, Vol. 55, No. 17 (1886) (1886)
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idge as proposed #/f\ f 5- -- bd “Borate Ke Soa ER aoe the latter, thus per- by Mr. K. Emil Hil- fl ies a: bd mitting the use of gard,acivilengineer, [1/7 _ : mt > Porc - WW ii oe one sidewalk of 12 until lately, of the 4 feet and one road- way of 24 feet in St. Paul & North- Ai NESE width while… … © 1886 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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